How To Replace Vehicle Speed Sensor in 1988If your ABS light is on, transmission is slipping, and/or speedometer is inaccurate, your vehicle (or transmission or transfer case) speed sensor may be the ...
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P0502 CHEVROLET Vehicle Speed Sensor Circuit Low InputP0502 CHEVROLET Description The Vehicle Speed Sensor (VSS) assembly provides vehicle speed information to the Powertrain Control Module . The VSS assembly is a Permanent Magnet (PM) generator. The PM generator produces a pulsing AC voltage as rotor teeth on the transmission output shaft pass through the sensor's magnetic field.
VSS Vehicle Speed Sensor Testing. Turn the ignition switch to the OFF position. Disengage the wiring harness connector from the VSS. Using a Digital Volt-Ohmmeter (DVOM), measure the resistance (ohmmeter function) between the sensor terminals. If the resistance is 190–250 ohms, the sensor is okay. Vehicle Speed Sensor Replacement
Gmc Truck Wiring Diagram Schematic ALLDATA gives you all available wiring diagram schematics, updated four times a year to meet changing factory service and repair information. We are the leading source of Professional Diagnostic and Repair Information used by over 75,000 repair professionals. We offer both one-year and five-year subscriptions for our GMC Truck manual.
Chevy Speedometer Not Working? Diagnostic Advice ...Replacing speed sensors - front wheel drive Chevys: * Locate the speed sensors behind the engine, above the trans-axle * Remove the hose, air cleaner, and connector from above the sensor * Remove the bolts holding the sensor in place, twist and take out the sensor * Use a new o-ring, clean the flange and housing, and install new sensor
Part 1 PCM Connector: Blue (C1) 1998-99 In this article, you'll find the Pin Out descriptions of the 4 PCM Connectors for the 1998-1999 GM 4.3L, 5.0L or 5.7L Engines. NOTE: For other PCM pin-out charts, take a look at the following: 1993 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS w/ 4L60-E).
GMC Wire information :: Your GMC wire information authority1993 GMC SONOMA 2DR PICKUP wiring information: S-SERIES GMC JIMMY 1989 2DR SUV wiring information: PICKUP GMC S15 1990 2DR PICKUP wiring information: 1993 GMC TYPHOON 2DR SUV wiring information: 1992 GMC SAFARI MINIVAN wiring information: FULLSIZE GMC JIMMY 1986 2DR SUV wiring information: FULLSIZE GMC JIMMY 1991 2DR SUV wiring information: FULLSIZE GMC VAN 1988 VAN wiring information
Testing 2 and 3 Wire Speed Sensors Testing either a 2 or 3 wire (Hall Effect) speed sensor is a relatively easy task, and one that can save you quite a bit of money in the long run. Your vehicle could start to act like it has a bad coil pack or throttle position sensor , and after testing those you may still come up empty handed.
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