Once the car or truck starts and is idling and since the throttle is closed, the TPS sends a base throttle position signal of about 0. Allison Transmission 1000,2000 series fault code list. The total transconductance is given by gm T = gm N+gm P=2gm. #N#All shapes. Have an unknown vintage 4L80E , I am assuming though it is a 94-later because there is no reluctor ring on the rear drum for the rear speed sensor on the side of the case , it was installed into a K3500 running a BBC and the '7060 PCM. Our speed sensors. Determine how many pulses is makes per mile, convert the pulses to a voltage to spin a dc electric motor or pmw to drive stepper motor. 700R4 Output Speed Sensor / OSS. 8L VEHICLE SPEED SENSOR - Mounted on Transfer Case; 1988 Chevrolet V30 Cheyenne 8 Cyl 5. This "pulse" is detected by your ALFA and used to compute speed and distance. Since he is testing the 2 wire speed. Remember to come back and resubmit your contact information if anything changes before you’re notified about this. On the right side is where the vss wire is located. I don't have any idle problems or engine dying. A 40 pulse per driveshaft revolution speed sensor is used on 1993 and newer trucks with automatic transmissions, plus 1994 and newer rear wheel drive cars with automatic transmissions. Apparently my tap didn't make a good connection which was causing my problems. View Blog Entries. Eight pulse signal generator for your electronic speedometer head. Includes New O-Ring Seal (Pre-Installed ) This is a Brand New Oem GM Product. This is the opposite of a standard brake light switch. Cheapest GM Parts - the cheapest GM parts & accessories available online. This signal may be able to be used as a VSS signal with some OEM and aftermarket ECM's and cruise control units. 0L V8 with piston slap feature ~60K miles Issue: Loss of VSS signal - generates P0502 and C0236 codes, speedometer inoperative. The ECM, upon receiving this 7X REFERENCE signal, returns to the ignition module an Ignition Coil Control signal thru' two different circuits. 4L60E / 700R4 early type speed sensor (VSS). Kit includes vss, reluctor ring, and rear cover assembly. VSS (output vehicle speed sensor) on 2WD vehicles is in transmission housing, on 4WD vehicles the VSS is in transfer-case. Offering a 5. The PM VSS has two wires (purple and yellow) which goes to a VSS buffer module. This is something I have always wondered why GM did. The total transconductance is given by gm T = gm N=gm. Buy a 2007 Chevrolet Cobalt Vehicle Speed Sensor Connector at discount prices. Uses pin 1, communication speed is 10. Vehicle Speed Sensor (variable reluctance [VR] type), used for a number of criteria. The output of the simulator is compatible with both mono, stereo and matrixed surround. C11 Light green MAP signal. White PPM Input Signal (VSS) This is the vehicle speed pulse input. These problems are not only attributed to the speedometer. The vehicle speed sensor (VSS) assembly provides vehicle speed information to the powertrain control module (PCM). (Vehicle speed sensor). If installing the Raptor dual mode shift light, connect the white wire of the shift light to the Vehicle Speed Sensor (Vss) output signal from the 32 pin PCM black connector (pin #8, dark green wire with white stripe). slow67 , Dec 12, 2010. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. Hummer P0717 Input Shaft Speed Sensor Circuit No Signal. That wire goes into the C3 connector on the PCM. 1 Road vehicles. They start out by attaching the red lead to the signal output and the ground lead (black) to the ground on the speed sensor. The DRAC usually was a white plastic box close to the ECM (about 3x5x1/2)and usually had 3-4 ink stamped letters along with a GM looking number that was of no use. The signal wire can pick up electrical interference (signal noise) if routed close to a high voltage source. The conditions for setting this code are:. GM Powertrain recently brought to my attention that pin 14 (grey/blue wire) out of the transmission will provide a non-CANBUS raw signal (pulse generated) that should drive a conventional electronic speedometer. You will join this brown signal wire to the white wire (signal input) on the Abbot box. There are no reviews yet. In sept I went to the dealer and he scanned my car for codes I was told I needed a right front hub part number 13582664, a right wheel speed sensor harness, 10340314, accelerator pedal, 84018392, and a vent valve 2085252. B1 Orange Battery 12V. As with the ABS system, traction control is a safety device for cars, trucks, and SUVs. The 4L80E is a 4-speed (with overdrive), electronically controlled transmission, with ratios:. Our speed sensors. Speed Hut's version can be used either with a VSS signal, GPS signal or a combination of both. It is not a recall nor is it a technical service bulletin. Can be screwed directly to the transmission at the speedometer housing. hey guys, i have an LS3 enigine, E38 ecu and using a T400 transmission. 4L60E / 4L65E / 4L70E 4wd Clamp. Remove the 2 connectors as shown in the picture to easily flip the box around. Code C0055 indicates the ABS module has determined a problem with the rear wheel speed sensor (vehicle speed sensor) or its circuit. Sampling of Speed Sensors. Female Threads, Each ( 1 ) Part Number: DAK-ECD-200BT-1 More Detail. license from General Motors Corp, Service & Operations License Agreement Number 0510718. VSS (output vehicle speed sensor) on 2WD vehicles is in transmission housing, on 4WD vehicles the VSS is in transfer-case. Locate parts near you. Shorter dump valve or defective ABS module 9. This is a discussion on vss wire within the Automatic Transmission forums, part of the Drivetrain category; I am doing a junk yard swap. How to test the wiring for you VSS Vehicle Speed Sensor. The condition could be caused by an intermittent connection in the Input Speed Sensor circuit. The newer active sensor uses a digital signal created by the ABS controller. Plug in the sensor and start your vehicle. Info; REPLACEMENT SENSOR FOR ADVANCE ADAPTERS P/N 716073. Allison Transmission DOC 7. Erratic speed sensor signal 7. With the wiring harness I have, the VSS signal from the sensor will input to the P4 connector, pin B18 on the ECU. I have the GM LAN working and have the Replicated TOC signal going into the E38. 2 Rotary speed sensors for rail. The majority of Rostra-manufactured cruise controls systems are sold as complete kits. GM has issued a TSB # 00-06-04-037 to cover the vehicles listed below. The TD signal is used to determine input shaft speed. Get a quote from a dealer on your new Tahoe. You Save Common for this to be Called a VSS : Vehicle Speed Sensor This is a Brand New Oem GM Factory Replacement Product. SpeedBox™ Mechanical Drive Speedometer Box (mechanical drive cable included). Allison Transmission 1000 and 2000 Product Families Troubleshooting Manual. The condition is most often found at the 20-pin connector to the wiring harness interface. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. Region III. Economy/Performance (Optional). Loss of a wheel speed signal is a serious problem because the ABS module needs accurate input from all its sensors to determine whether or not a wheel is locking up. 2 Special purpose speed sensors. 7L equipped GM vehicle. 2L VEHICLE SPEED SENSOR - Mounted on Transfer Case; 1988 Chevrolet V30 Cheyenne 8 Cyl 7. Buy a 2007 Chevrolet Cobalt Vehicle Speed Sensor Connector at discount prices. Check the TPS sensor, and check the VSS connections at the sensor back to the ecm. Find AutoMeter Programmable Electronic Speedometer Senders 5291 and get Free Shipping on Orders Over $99 at Summit Racing! Use these AutoMeter senders to convert your mechanical speedometer takeoff or electronic sensor-style speedometer output to an electronic pulse output. The treadmill speed sensor records the revolutions per minute of the front roller and the computer converts this reading to miles per hour. This signal may be able to be used as a VSS signal with some OEM and aftermarket ECM’s and cruise control units. 10 For triac sink the Common connection from the actuator. The first signal is coming from a GM DRAC module. The VSS in your Silverado provides crucial information for the ECM to properly balance and control several engine functions. This connects to the ECM/PCM Vehicle Speed Sensor (VSS) output signal or sensor signal wire. Our speed sensors. I'm installing a Terminator EFI with transmission controller (part # 500-408) in a 1996 K1500 Truck. Set the trigger wheel teeth to 0 (zero). The CB-1 is now compatible with 40 vehicle manufactures covering 300+ different models, including Commercial vehicles using SAEJ1939, Vehicle manufacturer coverage:-. DTC P0608 is defined as "Control Module Vehicle Speed Sensor Output "A. For most vehicles, the cost for a speed sensor is between $25 and $45. It also goes to Data Link Connector pin 14. The kits are temporarily on “hold” until they can be properly assembled with all of the components required to perform the retrofit. The coil and the magnet are mounted on the vehicle or the axle – the movement of the teeth of the encoder wheel along one pole of the permanent magnet generates an AC signal in the coil which is routed to the corresponding ECU. The price of $950 seems excessive. Shielding is to eliminate EMI noise on signal cabling, whereas twisted pair will create inductance on the line. 06 VSS Pulses Per Mile Count. Is there a wire routed inside the cab on an auto SD for the. GM Coolant Sensor Knock Sensor Repair Pigtail $8. Most speedometers are looking for a +12V square wave signal. Additional Questions? Please call tech support 844-342-8437. 7 and some 6cyl with TBI. Chevy/GM Duramax Diagnostic Trouble Codes (DTC) Diagnostic trouble codes (or fault codes) are codes that are stored by the on-board computer diagnostic system. Also, the wheel speed sensor for the antilock brake system is an integral part of the hub assembly as well. August 26, 2014 TO: All U. i have put new vss,reluctor ring,brake pump & module,wheel bearings,abs wheel speed sensors, and a new wire from pcm to vss. P0722 GMC Description The speed sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. the VSS that functions with a metal disc on the output shaft uses 40 pulses per shaft rotation and is a square wave signal. It *might* be related to the gauge itself (New Vintage 1969 series), however, the guage works flawlessly with a standalone signal source, so I do not think it a defect. This action signals the cruise control module (or powertrain control module) to monitor the speed sensor and actuate the throttle as necessary. Instead it is coded and sent across the GM LAN to the BCM, where it is then decoded and converted into a signal that tells the speedo what to register. Be the first to review “Stalker Dual, DSR, and DSR 2X VSS Installation Kit” Cancel reply. Removable weather-tight 10' cable provides for simple installation and cable routing. If you are using a Vehicle Speed Sensor (VSS), the GRAY wire labeled "Speed Output 4000 PPM" is an output from the ECM and may be connected to an electronic Speedometer. To set the cruise at the desired speed, a driver pushes an input on the cruise control switch. 20V < VDD - 0. The power and ground wires supply a reference voltage to either side of a variable resistor. Moving the car forwards or backwards really slowly, we are looking for a cable at the car's ECU harness, which produces a signal that fluctuates between 0 and 5V (like my car which is a Honda) or. Code C0055 indicates the ABS module has determined a problem with the rear wheel speed sensor (vehicle speed sensor) or its circuit. The VSS Signal Made of a rotating coil and fixed magnet (or maybe vice versa), the voltage across the two output wires of the VSS is a sine wave. For USDM (Ford, GM, or Chrysler) speedometers only. It has recently discovered that there is a problem with the list of contents for the “kits” and the discrepancy is being corrected. The VSS on the 241 worked just fine in place of the 246. 1 brown wire 1ft long( VSS signal to ECM) Next (if you plan to solder all your connections) pull all the insulated covers off the wire connectors I chose all male connectors for the wiring harness. The speedometer signal output terminal (VSS) produces a +5 volt DC Square wave signal. Authorized KICKER dealers also carry the full line of VSS products!. wiring, VSS Signal wire, canister vent, fuse block, fuel pump relay connector. Purple VSS Signal Plug into bulkhead in the location shown below, route to VSS, cut to length and connect to VSS input. Try switching the signal input. 8 with 4l60e transmission. From earlier in the thread it looks like Pete was able to get a VSS signal into the ECU using a Dakota digital GPS unit. part# 35-47 gm ignition switch pigtail (nla) pontiac 1965 - 1968. If you have power at this wire, you can move onto checking for the low reference ground signal. I had a 40 tooth reluctor ring before swapping to an auto and everything worked fine. Our speed sensors. Normally, the signal the DIYPNP is looking for is a 5 volt signal that is pulled to 0 volts when knock occurs, though firmware allows switching this. Classic Instruments 16-Pulse Generator Speed Sensor GM TH350/TH400/700R4, 2004R, Powerglide, Richmond, Chrysler 727/904 Transmissions $91. These are stored in response to a problem found in the truck by the system. The resulting sensor signal approximates the form of a sinusoidal signal (see Fig. Marshall tachometers come with 2 signal input options, each input utilizes a different signal filter. A reluctor is attached to the transmission/transaxle final drive, and is used to generate a constant signal as it passes the VSS magnetic coil. 20V < VDD - 0. For USDM (Ford, GM, or Chrysler) speedometers only. Drive Output Thread is 7/8"-18 1000 turns per mile. Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines, Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC Engines. B1 Orange Battery 12V. We supply a two-wire connector for these. Offering a 5. Also, the wheel speed sensor for the antilock brake system is an integral part of the hub assembly as well. Click on document CHEVROLET CHEVY SILVERADO wiring. The SGI-5E is used as either a signal multiplier (up to 16X) or signal divider (up to 125X), making this unit extremely flexible for almost any application. Shop genuine GM parts & accessories for Chevrolet, GMC, Buick, Cadillac, Saturn, Pontiac, & Oldsmobile. What an Engine Speed Sensor Does >> Most Common Symptoms of a Faulty Engine Speed Sensor. DTC P0608 is defined as “Control Module Vehicle Speed Sensor Output “A. Instead it is coded and sent across the GM LAN to the BCM, where it is then decoded and converted into a signal that tells the speedo what to register. First off is testing the 2 wire speed sensor. GM VSS SENSOR $ 158. Removable weather-tight 10' cable provides for simple installation and cable routing. I've verified that the Replicated TOC signal is a pulse going into the E38 pin 71. By comparing the input and stored value, the PCM calculates vehicle speed. C14 Gray 5V reference. This is probably what I am looking for, this particular one is from a ford. VSS Ground (GM=Brown, Ford=Green) VSS Signal (GM=White, Ford=Gray) Overdrive Cancel (Ford Applications Only) Calibration Select Manual Bump up / Manual Mode Select TCC Lock Speed Out TCC Unlock Manual Bump Down 12V Ignition in CONNECTOR VSS MAIN HARNESS CONNECTOR Transmission GT Series 12 Pin BRAKE ON/OFF (TCC UNLOCK) TCC LOCK AUTO/TO MANUAL. 2014: Ford: Interceptor Sedan/Utillity: 2014 Ford Interceptor Sedan Utility: 2013: Ford: Interceptor Sedan/Utillity: 2013 Ford Police Interceptor: 2012: Ford. You need to apply a 5 volt signal here in order to control the timing while running. GM VSS SENSOR $ 158. The console uses this signal to cal- culate vehicle speed, distance traveled, and the rates of acceleration and deceleration. Why You Might Want One. Kit includes vss, reluctor ring, and rear cover assembly. those trucks have a bad problem with the cluster going out on them though. Sporty and confident outside. It takes in the 4kppm signal the VSS generates and splits it into a 4k signals and two 2k. 4WD LOW SIGNAL 5V 12V VEHICLE SPEED SENSOR (VSS) 822 LT GRN/BLK 821 PPL IGNITION SWITCH PCM 437 BRN 1697 TO SPEEDO 824 LT BLU/BLK ENGINE GROUNDS TO 4WD INDICATOR SWITCH VSS INPUT VSS INPUT IGNITION. So I was trying to figure out if I can map a duplicate. When Vicmis close to the positive rail, only N - channel pair operates. So what exactly is a speed sensor and what purpose does it serve? Well, to start there are a number of different types of sensors and most are used by multiple vehicle systems. This digital signal is then sent to the instrument cluster module and the radio. The Vehicle Speed Sensor (VSS) is a Permanent Magnet (PM) generator attached to the transmission case extension. The sensor works using a iron cored coil with a magnet attached to one end. Obviously, the VSS signal would allow for a more-accurate tracking when going through a tunnel, but honestly, to me, it's kind of useless to track your location through a tunnel anyway - and the only time I lose GPS signal is when in parking garages (which the VSS wouldn't be very useful for either). August 26, 2014 TO: All U. The original values were 40 in the VSS p/rev, at this value the ecu does not pick up any speed when im traveling at a cruising speed. 4L60E Output Speed Sensor 1993-1996. It should fluctuate with vehicle speed. The PCM converts the VSS signal, either 40 or 17 to 4000 pulses per mile signal to the dash speedometer circuitry based on the PCM setup for VSS pulse rate. I tuned the GM ECM in my '69 Nova conversion to run just fine without a VSS signal. Connectors. Close window DirectX End-User Runtime Web Installer. The alarm sticky at the top says grey and black. 0s into older jeeps, the 4. We are the leading source of Professional Diagnostic and Repair Information used by over. 0L V8 with piston slap feature ~60K miles Issue: Loss of VSS signal - generates P0502 and C0236 codes, speedometer inoperative. The console uses this signal to cal- culate vehicle speed, distance traveled, and the rates of acceleration and deceleration. ALLDATA's wiring diagram schematics are taken directly from Original Equipment Manufacturer (OEM) service manuals and made interactive for ease of use. Available on Trax LT with LT Convenience Package only: 18-inch Black-finish aluminum wheels with Red accent stripes. The vehicle speed sensor (VSS) on this year of S10; is a permanent magnet generator that produces an analog signal. FREE EXCERPT: Vehicle Speed Sensors from Chevrolet TPI & TBI Engine Swapping. I need to split the VSS signal and send one feed to the Terminator and one feed to the stock PCM. This goes behind your dash and plugs to the head and drives off of your old speedometer cable. On most models, the speed sensor is connects to a circuit board that interfaces with the treadmill control panel. put the car in drive and watch the reading. Notes: There is an early and a late model of the 4L60E transmission. (fits all older cars) for Stalker 2X, DSR, DUAL and PATROL. The total transconductance is given by gm T = gm N=gm. Should do this, before you replace. Also used to set the PPM during programming. Transmissions plug pin identification 1995 and up. fault code says vss low voltage still, speedometer jumps up and down and it makes my tranny shift crazy. Where is the vehicle speed sensor buffer module located on a 1995 3500 silverado with a 7. The VSS generates a signal that increases in frequency proportionate to vehicle speed. A few images from the chapter follow. Eight pulse signal generator for your electronic speedometer head. This missing tooth signal goes to the DIS module, and it must be correct, then the DIS module creates a tach signal from that, and this is what is sent to MegaSquirt. Let ACDelco's GM OE Oxygen Sensor help. This "pulse" is detected by your ALFA and used to compute speed and distance. 7L Engine has a total of 4 connectors. gm daytime running/ back-up/ cornering park, turn/ stop,tail/ tail,turn signal gm cars and trucks 1999-replaces: 12083680, 12159662, ls54 bulb: 3057, 3157, 3357, 4157, 4114k. It generates a usable signal required by modified GM PCM computers from 1993+ trucks to present and 1994+ cars (Vette, Camaro, Caprice), equivalent to 8,000 pulses per mile. 50 mechanical speedometer setups to an electronic 3-wire, 4-pulse speedometer output. Measured original VSS sensor after removal and its impedance measured roughly 1930 ohms. GM > Speedometer > Speedometer. Generally most speedometer signals will be one of three types, for simplicity, we will call them one-wire, two-wire, and three-wire. The vehicle speed sensor (VSS) may be, but is not always, a true wheel speed sensor. This is a cable-pass-through style speed sensor that can be attached to the Jeep Dana and mechanical New Process transfer case outputs. If you figure out where the problem is, everything should be alright. Variable Signal Generator J-38522-A EL-38522-A. GM Powertrain recently brought to my attention that pin 14 (grey/blue wire) out of the transmission will provide a non-CANBUS raw signal (pulse generated) that should drive a conventional electronic speedometer. NOTE: The speedometer signal output terminal (VSS) produces a +5 volt DC Square wave signal. The VSS will generate a pulse signal based on driveshaft revolution and can be used with some electronic speedometers and/or engine control systems. The total transconductance is given by gm T = gm N=gm. JTR Stealth Conversions began offering aftermarket vehicle speed sensors (VSS) for engine swaps in 1991. For Front & Rear Wheel Drive GM Vehicles and most Chrysler Vehicles. If the ECM detects a problem, it will set a diagnostic trouble code (DTC) and illuminate the malfunction indicator lamp (MIL). This "pulse" is detected by your ALFA and used to compute speed and distance. That's why I mentioned to you, to call your local CHEVY dealer with the info. First off is testing the 2 wire speed sensor. Use a very small piece of metal or a screwdriver to release the tab and pull the connector out. Generally most speedometer signals will be one of three types, for simplicity, we will call them one-wire, two-wire, and three-wire. Engine speed is between 2200 and 4400 RPM TPS is less than 2%. Cluster-mounted VSS are run by a flexible cable from the transmission, converting that rotary signal into a digital signal. and process the VSS signal. The condition is most often found at the 20-pin connector to the wiring harness interface. When the code P0722 is set in the Powertrain Computer, it means that the Powertrain Computer or PCM is not seeing a consistent speed signal from the Transmission's Output Speed Sensor. Small enough to be discreetly hidden from view, this module will fit in the split loom after installation unlike some other V. The DIY cost for replacing a speed sensor is the cost of the sensor. 7L VEHICLE SPEED SENSOR - Mounted on Transfer Case; 1988 Chevrolet V30 Cheyenne 8 Cyl 6. So my question is there a. 4L60E / 700R4 early type speed sensor (VSS). If a recall has been issued for your GM vehicle, including Chevrolet, Buick, GMC, Cadillac, Pontiac, Oldsmobile, Saturn, HUMMER or SAAB, find it here. We Build it Better - or we don't build it. Quick Navigation GM V8 Tuning - Miscellaneous Top. It is the number of pulses received from the VSS sensor per mile traveled. The VSS signal is the output of a variable reluctance sensor. If the VSS voltage signal is not 0. A few images from the chapter follow. One-wire signals are typically found in late model computer controlled transmissions or fuel injected applications. Add to Wishlist. TBI Wire Harness | TBI Wiring-The wire harness above is for the application years 1986-91 pre 4L60E. Verify VSS sensor is faulty with a sensor tester such as a Sunspro Sensor Tester Plus-TM, before condemning sensor as faulty. † of passenger volume to give your squad space to perform. 4L60E / 4L65E / 4L70E 4wd Clamp. Also suitable for use as a vehicle speed sensor (VSS). This meant 'Voltage Collector. GM Style 2 Wire Vehicle Speed Sensor (VSS) Pigtail for the T56 / T56 Magnum / TR-6060 6-Speed Transmission If you buy our T56 Reverse Lockout Control Module, you will likely need one of these to plug into the Vehicle Speed Sensor (VSS) connector in the transmission. Since it's a 4wd, the VSS is on the output of the transfer case. Oct 24 2014, 1:12pm. In some cases, secondary VSS input may be monitored using one or more wheel speed sensors but the primary VSS input (B) will likely be initiated by the VSS in the transmission. Doesn't include the cables. Elliott's Radio -- speedometer parts I discovered a few interesting things along the way. 00 Ships directly from the manufacturer on 05/11/20. Full Member level 1 Achievements: Re: What VDD and VSS means ??? tusemo's right and on schematics and much older chips you'll sometimes find VCC or Vcc used. The vehicle speed sensor (VSS) on this year of S10; is a permanent magnet generator that produces an analog signal. The “check engine” or “service engine soon” light came on and the speedometer stopped working: With digital speed sensors, if they malfunction, they often stop sending data to the Chevy’s computer and this triggers a warning light to illuminate on the dash. The VSS Signal Made of a rotating coil and fixed magnet (or maybe vice versa), the voltage across the two output wires of the VSS is a sine wave. Most OEM style or Factory Installed, 2 wire senders (Sine Wave) IMpORTANT When using most OEM/factory installed. Available on Trax LT with LT Convenience Package only: 18-inch Black-finish aluminum wheels with Red accent stripes. 0 vss is a gm product and uses the same pulse signal. The Vehicle Speed Sensor (VSS) is a permanent magnet output coil device that monitors the vehicle speed. Connecting magnetic/VR/inductive sensors and two-wire hall effect sensors to the Cortex EBC will require the use of a speed sensor adapter. How DriveRight VSS Works DriveRight VSS obtains vehicle speed data from the vehicle's built-in VSS (vehicle speed sensor) wire. 4L60E / 700R4 early type speed sensor (VSS). Additional Questions? Please call tech support 844-342-8437. Find AutoMeter Programmable Electronic Speedometer Senders 5291 and get Free Shipping on Orders Over $99 at Summit Racing! Use these AutoMeter senders to convert your mechanical speedometer takeoff or electronic sensor-style speedometer output to an electronic pulse output. Rostra VSS Speed signal kit. 8 with 4l60e transmission. #N#All shapes. The CAN/VSS accesses the vehicle’s computer through the OBD-II diagnostic connector and conducts the VSS pulses to the radar. The VSS actually grounds the signal (electronically with a transistor) to create each pulse. The diffused field of the simulation is turned into an Lt/Rt signal with separate decay, level and pre-delay parameters for front and rear. Yellow is VSS Low Signal Purple is VSS High Signal I have doubts that you will be able to use this signal for any aftermarket device. Small enough to be discreetly hidden from view, this module will fit in the split loom after installation unlike some other V. 50 mechanical speedometer setups to an electronic 3-wire, 4-pulse speedometer output. 20V RL = 2kΩ 76 dB RL = 200Ω 67 Output Voltage Swing VOUT RL = 32Ω TA = +85°C VDD - VOH 650 mV VOL - VSS 650 RL = 200Ω VDD - VOH 150 VOL - VSS 150 RL = 2kΩ VDD - VOH 20 VOL - VSS 20 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Output Source/Sink Current IOUT VDD = 2. Cost From Us: $29. This will fit All 2WD 4L60E Models with 2 1/4" Diameter sensor Most Commonly these are from 1993 to 1996, And Only One Piece Case Units. Large-Signal Voltage Gain AVOL VSS + 0. This compact SUV offers the comfort and capability you need on your next urban adventure. The original values were 40 in the VSS p/rev, at this value the ecu does not pick up any speed when im traveling at a cruising speed. This splits the signal to go to the cluster (still AC), the ECM (DC), and maybe cruise module (DC). Compatible with GM and Chrysler transmissions with a 7/8" -18 threaded speedometer cable output, this vehicle speed sensor outputs a 16 pulse per revolution (PPR), 12v square wave signal. The final drive assembly has a toothed wheel (VSS rotor). Hey folks - bringing this one back up. OBD2 Diagnostic Trouble Codes Ever wonder how many Diagnostic Trouble Codes or OBD2 Codes can be set by your engine computer (ECM/PCM)? Well, below is a list of all the Generic (not manufacture specific) OBD2 Engine Diagnostic Trouble Codes. It is the number of pulses received from the VSS sensor per mile traveled. Testing for a Speedometer Signal Determine the signal source. † of passenger volume to give your squad space to perform. 3L V8 engine to provide the power you need and 120. Your VSS does not output that signal, it outputs a sine wave AC voltage signal. A wheel speed sensor or vehicle speed sensor (VSS) is a type of tachometer. KICKER-tuned and computer-optimized, 32-bit digital signal processing (DSP) for premium sound (PowerStage™ Upgrade only) 3-Year Warranty on all VSS automotive upgrades. The DRAC is factory on the vehicle, and the outputs feed the stock tachometer, the ABS module, the cruise control, and the factory ECM. Price: $10. VSSB is Vehicle Speed Sensor Buffer (TBI VSSB, GM VSSB, Speedometer Buffer) DRAC/VSSB Module Year/Make/Model Applications. This will fit All 2WD 700R-4 Electronic Output Models with 2 1/4" Diameter sensor These Transmissions Can Be Called Any Of The Below This uses a magnetic pulse generator to read a reluctor on the output shaft. Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines, Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC Engines. + Allows modern GM engines to be mated to non-electronically controlled GM automatic transmissions. These OBD2 codes are stored when a sensor in the car reports a reading that is outside the normal/accepted range (Eg: fuel mixture too rich). 1992-1995 Chevy GMC Truck C/K 1500, 2500, 3500, 3500HD TBI gas (6,8 cylinders) 1992-1995 Chevy GMC Blazer, Tahoe, Yukon TBI. GM Camshaft Position Sensor Repair Connector $11. This is the opposite of a standard brake light switch. P0500 is a general OBD-II code that indicates a malfunction has been detected in the vehicle speed sensor circuit. #N#Analytical Geometry. To drive both the ECM and a digital speedometer from the same signal follow this schematic from Autometer. The speedometer signal output terminal (VSS) produces a +5 volt DC Square wave signal. Check your PCM documentation or wiring harness manufacturer for the proper connection point. High-Frequency GM-Style Pulse Generator. VSS sends the ECM the cars speed. If you use a 4L60E or 4L80E I'll need your tire size and axle ratio to assign the proper value in the programming. Can anyone confirm which pin the E39 ECU uses for VSS signal input? I have the 2012 GM Fbody service manuals, the manual transmission VSS circuit schematics indicate pin X2 43 but the ECU chart in the same set of manuals indicate X2 43 is for the MAP sensor signal! It's rather cold out to trace circuits with a multi meter. Upfitter Switch (9L7) Retrofit Kits. Low speed sensor resistance (Dodge & Ford only) 11. Shielding is to eliminate EMI noise on signal cabling, whereas twisted pair will create inductance on the line. Produces an 8000ppm sine wave signal. Issue: Loss of VSS signal - generates P0502 and C0236 codes, speedometer inoperative Initially made the assumption that the VSS sensor had failed. The missing piece of the increasingly popular early-GM transmission swap! With late-model GM transmissions containing an internal speed sensor outputting 128,000 Pulses Per Mile, the stock 40-tooth (40 pulse per revolution) reluctor ring provided the factory ECM with a high frequency input. I'm installing a Terminator EFI with transmission controller (part # 500-408) in a 1996 K1500 Truck. The disc ( reluctor) is metal , looks like little grooves all around the disc. This splits the signal to go to the cluster (still AC), the ECM (DC), and maybe cruise module (DC). Choose top quality brands AC Delco, API, Forecast, SKP, Standard Motor Products. ABOUT THESE INSTRUCTIONS These instructions provide information for the installation of the 60212 & 60213 Vortec Fuel Injection Harness Kit. The GM HEI module provides a 'distributor-like' signal to MegaSquirt, so the missing tooth settings should not be used. Possible faults are: Short or open circuits and high resistance in the sensor coil or circuit. So the speedometer signal from PCM to speedo is always the same for the A4 or the M6. It usually consists of a toothed ring and pickup. This signal is then. Your VSS does not output that signal, it outputs a sine wave AC voltage signal. The function of each is very different. Transmissions plug pin identification 1995 and up. 0 out of 5 stars. The green wire from the VSS Kit brown connector has to be spliced into that green and white striped wire. Cheapest GM Parts - the cheapest GM parts & accessories available online. A & B should both be closed for the triac source and open for triac sink. In a GM vehicle, the override signal is zero volts during cranking (less than 400 rpm or 5 to 15 seconds), then there is 5 volts on this wire after the engine starts to signal the 7-pin module that it should use the signal on the white wire to control timing. The VSS assembly is a Permanent Magnet (PM) generator. SpeedBox™ GPS/VSS to Mechanical Drive Speed Converter. t-56 tremec VSS Speedometer wires Guys, i have a t-56 in a 67 camaro and am hooking the speedometer wires up to the new cable-X box. Question was if the vehicle speed sensor (VSS), usually connected directly to the speedometer, can be connected to the ECU´s VSS input (I assume a GM ECU) and the ECU´s speed signal routed to. Plus, available and standard safety† technology helps your officers to stay safe in the line of duty. Authorized KICKER dealers also carry the full line of VSS products!. Can be installed inline for both mechanical speedometer and pulse generator. A & B should both be closed for the triac source and open for triac sink. 8L V6 TBI Swap – ECMs 1227429 and 1228062 Pinout A10 Brown VSS input. Input Speed Sensor (TISS - 4L80E only) Location: Driver side of case, front sensor. YEARONE Classic Car Parts for American Muscle Cars | Barracuda Cuda Challenger Charger Chevelle Road Runner Camaro Super Bee Dart Duster Valiant Firebird GTO Cutlass 442 Mustang Nova GM Truck Skylark GS Monte Carlo El Camino Mopar Chevy. The on-board computer then uses this information to alter various engine and transmission functions, such as ignition timing, air-to-fuel mixture, and transmission shift points. If you know your gear, tire and location of your VSS sensor you can. I found mine on ’87-’88 Pontiac Trans Ams. Does anyone know which of the wires coming from the 6 speed transmission is the high signal and which is the low signal? on is yellow and one is purple: t-56 tremec VSS Speedometer wires. Diagnostic bus used mostly on GM vehicles. Classic Instruments SN77 Electronic Transmission Signal Converter Box is used to convert signals from factory VSS (vehicle speed sensor) electronic signal generators and/or the computer(ECM) output to work with a "16-pulse" input (16,000 pulses-per-mile) speedometer. This single wire is the signal wire. Hey fellas, first post on this forum is going to be about the Vehicle Speed Sensor and DRAC Module system. The ECM constantly monitors voltage on the VSS, as well as uses feedback to determine if the signal is being transmitted properly. This digital signal is then sent to the instrument cluster module and the radio. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). This signal may be able to be used as a VSS signal with some OEM and aftermarket ECM’s and cruise control units. High-Frequency GM-Style Pulse Generator. Description. 0 vss is compatible with the d300 (i know from my 4. This sends the signal from the Knock sensor to the ECM to reduce the timing if it hears a knock. Full Member level 1 Achievements: Re: What VDD and VSS means ??? tusemo's right and on schematics and much older chips you'll sometimes find VCC or Vcc used. This is something I have always wondered why GM did. Find AutoMeter Programmable Electronic Speedometer Senders 5291 and get Free Shipping on Orders Over $99 at Summit Racing! Use these AutoMeter senders to convert your mechanical speedometer takeoff or electronic sensor-style speedometer output to an electronic pulse output. Testing for a Speedometer Signal Determine the signal source. That wire goes into the C3 connector on the PCM. We even have some ABS codes too! More will be added as we go! Below are new articles that we publish often. DTC P0608 is defined as "Control Module Vehicle Speed Sensor Output "A. The components of the Drive Away Protection System are: • Door Lock Switch • General Module • Board Computer • DME System Components Door Lock Switch The door lock switch provides a 12V (High) signal to the GM when the vehicle is locked from the outside. The transmissions available were 4L60, 4L60-E, and manual. Drive Output Thread is 7/8"-18 1000 turns per mile. As well, Rostra manufactures universal cruise control units that often require the purchase of additional items to function with certain vehicles including vehicle speed signal (VSS) generators and control switches. Runs off 5 to 24 volts, and gives a nice square wave so there’s no variable voltage issues. GM Metri Pack 150 Series OEM Repair Terminal Female 24 AWG $3. The signal output of a magnetic speed sensor is caused by the excitation of its inductive coil by a passing target. True Pulse VSS Tailhousing Kit (1410 non-cv yoke) $ 264. Leave the key turned on, with the engine still off. 3 Regardless of whether you use the lockup function, the vehicle speed sensor (VSS) must be used and is needed by the computer so that it can command the emissions control devices on the engine. This signal may be able to be used as a VSS signal with some OEM and aftermarket ECM’s and cruise control units. GM Micro Pack Series OEM Repair Terminal Female 20. A & B should both be closed for the triac source and open for triac sink. They are designed for use with custom installations, early model transmission applications, and all AutoMeter electronic. VSS = Vehicle Speed Sensor. The TCM monitors the A/T input speed sensor (ISS) and A/T output speed sensor (OSS) during commanded shifts to determine whether a shift is occurring too fast (harsh) or too slow (soft). 5 volt, or more, replace the sensor. The green wire is a 4K output for the electronic speedometer, the red wire is a 2K output to the cruise control module. NEW Toyota FJ-40 reluctor ring kit. The secondary VSS output, for example, can be used with any third generation F-Body to satisfy the 2,000-pulse-per-mile cruise control module VSS signal input requirement. If you have M6 code in the PCM and set up TunerCat for the correct VSS signal the PCM to the speedo. 00/ea Price Break(s): Qty This pigtail is commonly used with newer vehicle speed sensors. Part # Description EFI 24x Crank and Cam Signal Kit w/ CKP Sensor. The Vehicle Speed Sensor (VSS) assembly provides vehicle speed information to the Powertrain Control Module. 3L Rear Prop Shaft Speed Sensor Posted to GM PowerTrain on 6/9/2008 5 Replies truck brought in w/service 4 wd,found multiple codes u1000,u1255,c0300,c305,c0306,c0327,c0374,c0379,[] d codes only code to return is c0300 rear prop shaft speed sensor circuit [] checked all wiring have ac signal out of. This connects to the ECM/PCM Vehicle Speed Sensor (VSS) output signal or sensor signal wire. 1 Automotive Wheel Speed Sensors. DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input 3. If it is not approximately one half of the reference voltage, the. Rugged and precise our microprocessor based module will deliver a proper signal and an extremely long lifespan. If the vehicle has Electronic Throttle Control, use the Accelerator Pedal Position (APP) Sensor instead of the TPS. The disc ( reluctor) is metal , looks like little grooves all around the disc. 3 Regardless of whether you use the lockup function, the vehicle speed sensor (VSS) must be used and is needed by the computer so that it can command the emissions control devices on the engine. Trouble Code 24 indicates that the Vehicle Speed Sensor (VSS) is reporting an abnormally low reading when other sensors indicate it should be higher. Turns an electronic VSS into a mechanical signal that will spin your. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. These OBD2 codes are stored when a sensor in the car reports a reading that is outside the normal/accepted range (Eg: fuel mixture too rich). A vehicle speed sensor (VSS) transmits the transfer case, transaxle, and/or wheel speeds to the truck's electronic control module (ECM). This splits the signal to go to the cluster (still AC), the ECM (DC), and maybe cruise module (DC). The 1996-97 PCM (Powertrain Control Module = Fuel Injection Computer) on your 4. Does anyone know the wire color for the Vehicle Speed Sensor (VSS) wire from PCM? I am installing GPS and it needs to hook to VSS wire from PCM and needs to know if it is Square or Sine Wave. Get it diagnosed by a professional. Totally worth a try before spending thousands. Erratic speed sensor signal 7. This device works with all 2008 and later vehicles and some vehicles manufactured as early as 2005. You must use a Speedometer that requires a 4000 pulse per mile signal. As well, Rostra manufactures universal cruise control units that often require the purchase of additional items to function with certain vehicles including vehicle speed signal (VSS) generators and control switches. They have a very accurate engine speed signal for the PCM, yet drive the tach from the alternator. If a speed sensor is called a "2-pulse speed sensor", it means the speed sensor puts out 2-pulses per cable revolution. As speed increases, so does voltage, and it can get really high - tens of volts or higher at high speed, and tenths of a volt at low speed. Check your PCM documentation or wiring harness manufacturer for the proper connection point. 6L80/90 technical information. hey guys, i have an LS3 enigine, E38 ecu and using a T400 transmission. Asked in Chevy Camaro. Each and every one of our gauges is designed. C12 Dark blue/white ETM (1228062 not used) C13 Dark blue TPS signal. GM changed the wheel speed sensor and tone rings in these vehicles. Without hooking up that backplane, the Haltech didn't get any useful signal. A vehicle speed sensor is a permanent magnet generator attached to the transmission under the vehicle. 0 vss is compatible with the d300 (i know from my 4. VSS Signal: The 4,000-pulse-permile VSS input to the cruise control module is required, but the PCM is not required to provide it. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. This digital signal is then sent to the instrument cluster module and the radio. If you are using a Vehicle Speed Sensor (VSS), the GRAY wire labeled "Speed Output 4000 PPM" is an output from the ECM and may be connected to an electronic Speedometer. Black mirror caps. + Allows modern GM engines to be mated to non-electronically controlled GM automatic transmissions. The vehicle speed sensor lets the computer know how fast the wheels are turning. Ground the negative probe and probe your suspect wire. This is something I have always wondered why GM did. Does anyone have any idea what these codes mean and what I should do now? The vss (vehicles speed sensor) code is a problem with the sensor on the t-case not the transmission. Remove the 2 connectors as shown in the picture to easily flip the box around. if the speedo plug is a 2 wire hook up on your 700R4one wire goes to ground the other goes to the signal in post of the electronic speedo. Complete with the wiring for emissions and VSS. The 1996-97 PCM (Powertrain Control Module = Fuel Injection Computer) on your 4. the VSS that functions with a metal disc on the output shaft uses 40 pulses per shaft rotation and is a square wave signal. You can modify the speed sensor yourself if you are good with a soldering iron. Does anyone know the wire color for the Vehicle Speed Sensor (VSS) wire from PCM? I am installing GPS and it needs to hook to VSS wire from PCM and needs to know if it is Square or Sine Wave. 2 wires from the VSS (LT GRN/BLK & PPL/WHT) go directly to the VCM pins 29 & 30 of the BLUE labeled connector (C1). Order ships free when this item is included and exceeds $99. Shielding is to eliminate EMI noise on signal cabling, whereas twisted pair will create inductance on the line. GM Part # 8673299. I need to split the VSS signal and send one feed to the Terminator and one feed to the stock PCM. GM Coolant Sensor Knock Sensor Repair Pigtail $8. The style of the car, a. These adapters output a 0 – 12 V pulsed speed signal that matches the frequency of the signal produced by a magnetic/VR/inductive sensor or two-wire hall effect sensor. Trouble Codes › GM OBD Trouble Codes › GM Code 24. Female Threads, Each ( 1 ) Part Number: DAK-ECD-200BT-1 More Detail. 1 brown wire 1ft long( VSS signal to ECM) Next (if you plan to solder all your connections) pull all the insulated covers off the wire connectors I chose all male connectors for the wiring harness. I will use the required frequency to get near max MPH output reading on the odometer. This is probably what I am looking for, this particular one is from a ford. We are the leading source of Professional Diagnostic and Repair Information used by over. The VSS is a pulse generator which produces an analog A/C signal. It then sends control signals to each solenoid accordi ng to the preset gearshift characteristic data, lockup operation data, and transfer clutch torque data (duty ratios). The ECM constantly monitors voltage on the VSS, as well as uses feedback to determine if the signal is being transmitted properly. A vehicle speed sensor (VSS) transmits the transfer case, transaxle, and/or wheel speeds to the truck's electronic control module (ECM). If you are using a Vehicle Speed Sensor (VSS), the GRAY wire labeled "Speed Output 4000 PPM" is an output from the ECM and may be connected to an electronic Speedometer. Totally worth a try before spending thousands. My autometer speedo basically said pick a wire, ground it. NEW Toyota FJ-40 reluctor ring kit. Black mirror caps. The CAN/VSS accesses the vehicle’s computer through the OBD-II diagnostic connector and conducts the VSS pulses to the radar. Transmission Control Module (TCM) The TCM receives various sensor signals and determines the running conditions of the vehicle. We also have a device that will allow you to delete the VSS circuit. Did some looking around and finally discovered that this exact situation - no upshifting but all manual gears available - could be a burned out input speed sensor. Vehicle speed sensor accuracy is vital. The speed sensor can send the wrong signals to the computer, which causes the vehicle to idle incorrectly, the transmission to jump gears or the vehicle to rumble heavy. We Build it Better - or we don't build it. The Vehicle Speed Sensor (VSS) sends a pulsing voltage signal to the ECM which the ECM converts to a miles per hour reference. Engine speed is between 2200 and 4400 RPM TPS is less than 2%. It also goes to Data Link Connector pin 14. I read somewhere today that the green wire with the white tracer is the VSS wire for the 07+ vehicles. If the PCM detects a low input voltage signal from the primary VSS, a code P2160 will be stored and a malfunction indicator lamp may be illuminated. 00/ea Price Break(s): Qty This pigtail is commonly used with newer vehicle speed sensors. I need to know what to do with this wire to get the speedometer on my Dakota gauges to work. Dakota Digital's box only uses a VSS signal but it was very easy to hook up and calibratejust follow the directions. Variations. Installation Overview. After calling hesco and inquiring about their vss used to convert 4. This code may be seen with P0501, P0502, and P0503. This type of sensor uses a hall effect or a variable reluctance signal with a square wave pattern. Connectors. For USDM (Ford, GM, or Chrysler) speedometers only. 2 Rotary speed sensors for rail. Locate a green with a white striped wire. The output is a 5 volt regulated, short-proof square waveform at about 400 Hz or about average speed for any system. Background on Our VSS Products. 0 vss is compatible with the d300 (i know from my 4. A throttle position sensor usually has three wires: +5 volt power, ground, and signal. Generally most speedometer signals will be one of three types, for simplicity, we will call them one-wire, two-wire, and three-wire. Third design GM part numbers: Solenoid 'A' 24201004, solenoid 'B' 24201005. 2L VEHICLE SPEED SENSOR - Mounted on Transfer Case; 1988 Chevrolet V30 Cheyenne 8 Cyl 7. Follow these procedures for replacing a faulty vehicle speed sensor (VSS). This causes the braking below 10 mph to cause pulsation and abs malfunctioning causing me to almost rear end vehicles and be unable to slow down correctly. C0236 CHEVROLET More Information. The DRAC takes incoming driveline VSS AC signal waves, and uses switches to generate a DC square wave output (pulsed to ground). Ford transmissions will generate 12 pulses per driveshaft revolution. ALLISON 1000 Code (DTC) C1751 Vehicle Speed Sensor # 1 Output Circuit Short to Vbatt; ALLISON 1000 Code (DTC) C1752 Vehicle Speed Sensor # 1 Output Circuit Short to Gnd; ALLISON 1000 Code (DTC) C1753 Hydraulic Clutch Actuator Valve Signal Fault; ALLISON 1000 Code (DTC) C1754 Hydraulic Clutch Actuator Valve Circuit Failure. The secondary VSS output, for example, can be used with any third generation F-Body to satisfy the 2,000-pulse-per-mile cruise control module VSS signal input requirement. (Vehicle speed sensor). Add to Wishlist. Locate a green with a white striped wire. Customers Also Bought. The VSS on the 241 worked just fine in place of the 246. The pulse signal is sent to the Transmission Control Module (TCM) which converts it into vehicle speed. The DIY cost for replacing a speed sensor is the cost of the sensor. The Lingenfelter STOV-004 is designed to read the Pulse Per Mile (PPM) from a Vehicle Speed Signal (VSS). With the VSS SR (surround) algorithm, you get a unique room simulator for matrixed surround production. This single wire is the signal wire. I'm planning to use an aftermarket gauge that will pull speed from the GM ecu's speed output signal (CAN). The wheel speed sensor also monitors wheel speed and sends the data to the traction control system; which is why this warning sign is commonly due to a worn out or broken wheel speed sensor. The Speedhut SpeedBox is designed to operate a cable-driven mechanical speedometer using an electric speed signal from GPS or modern transmission. Power for the box can come. Rugged and precise our microprocessor based module will deliver a proper signal and an extremely long lifespan. The VSS sensor it's self should be located on the transmission and takes it's signal from a 40 tooth reluctor ring then sends it on to the buffer inside the DRAC. 6 Gauge Wire Harness. The Vehicle Speed Sensor (VSS) is a permanent magnet output coil device that monitors the vehicle speed. 2014: Ford: Interceptor Sedan/Utillity: 2014 Ford Interceptor Sedan Utility: 2013: Ford: Interceptor Sedan/Utillity: 2013 Ford Police Interceptor: 2012: Ford. The console uses this signal to cal-culate vehicle speed, distance traveled, and the rates of acceleration and deceleration. Our speed sensors are smog legal for engine swaps and have been issued CARB EO #D-371. This system uses a ECM GM Part #1227727 for the Corvette and 1227730 for Camaro. On many vehicles, the speed sensor is located on the rear axle or the transmission case, but on newer model vehicles it is located inside the ABS system. Plug in the sensor and start your vehicle. Private Message. Transmission Control Module (TCM) The TCM receives various sensor signals and determines the running conditions of the vehicle. #N#Circuit Diagram. There are a yellow and purple. We modify S10 T5's, GM T56 both LT1/LS1 style, 4L60E, 4L65E, 4L70E, and 4L80E tail housings to drive a cable speedometer. Add a 10K Ohm resistor inline with the signal. You will have to use the calibration button that came with your speedo. This may be the result of a faulty valve body, engine coolant temperature sensor, shift solenoids or input/turbine speed sensor. The coil and the magnet are mounted on the vehicle or the axle – the movement of the teeth of the encoder wheel along one pole of the permanent magnet generates an AC signal in the coil which is routed to the corresponding ECU. I need to know what to do with this wire to get the speedometer on my Dakota gauges to work. ALLDATA's wiring diagram schematics are taken directly from Original Equipment Manufacturer (OEM) service manuals and made interactive for ease of use. This meant 'Voltage Collector. 0s into older jeeps, the 4. Obviously, the VSS signal would allow for a more-accurate tracking when going through a tunnel, but honestly, to me, it's kind of useless to track your location through a tunnel anyway - and the only time I lose GPS signal is when in parking garages (which the VSS wouldn't be very useful for either). Part number 2504160. Cruise Parts. TPS Throttle Position Sensor, Vss Vehicle Speed Sensor (not always used), and the Knock Sensor whose signal is conditioned by the ESC Electronic Spark Control Module before reaching the ECM. The Community for 1978-1988 GM G-Body and A-Body cars -- Chevrolet Malibu, Monte Carlo, El Camino; Buick Regal, Grand National; Oldsmobile Cutlass, 442, Hurst/Olds; Pontiac Grand Prix, Grand Am, Bonneville, LeMans. GM Metri Pack 150 Series OEM Repair Terminal Male 20 18 AWG $3. They start out by attaching the red lead to the signal output and the ground lead (black) to the ground on the speed sensor. 500 rpm when the trhotle is more than 70% Open!. 5 volt, or more, replace the sensor. You can modify the speed sensor yourself if you are good with a soldering iron. As the final drive assembly rotates, an AC voltage is induced and transmitted to the Powertrain Control Module (PCM). The 250-4153 is a speed signal generator that goes in-line with a GM style speedometer cable, at the transmission. The STOV-004 is then able to provide switched outputs and an analog output based on the speed signal.