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Gm vss wiring diagram. We offer both one year and five year subscriptions for our gmc truck manual. Follow your speedometer manufacturers recommendation for wiring. Find out how to access autozones main wiring diagram equivalent to standard. You should be able to find the same wire at the ecm from a diagram or the harness builder. Gm transmissions generate 17 pulses per shaft revolution. It may not be necessary but if you tie into the plug at the transmission i would use either a shielded wire or a twisted pair with one grounded.
Autozones repair guides tell you what you need to know to do the job right. The yellow is vss high according to the camero diagram. Of particular interest to those doing a harness swap for a 4wd rig is dealing with the vehicle speed sensor vss. Vehicle speed sensor replacement. Wiring diagrams description these diagrams use a new format. Find out how to access autozones vehicle speed sensor vss repair guide for silverado 2008.
Using a digital volt ohmmeter dvom measure the resistance ohmmeter function between the sensor terminals. Gm ls engine swap wiring you can do at home. Alldata gives you all available wiring diagram schematics updated four times a year to meet changing factory service and repair information. Turn the ignition switch to the off position. The pinwire on the left toward front of car is the reference terminal blue wire on most wiring diagrams and the one on the right toward the rear of car is the signal terminal yellow on most wiring diagrams. All the wires at the connectors have alphanumeric addresses showing where the other end of the wire is located ac cording to the grid.
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. Your source for chevrolet wire information wiring information technical help for your new or used vehicle chevrolet technical wiring diagrams wire information wirediagram. Sign up today to access the guides. Vehicle speed sensor testing. The diagram is surrounded by a alphanumeric loaction grid.
The pcm reads the speed of the. If the resistance is 190250 ohms the sensor is okay. A small gauge wire is ok almost no current on it. Disengage the wiring harness connector from the vss. Learn how to access vehicle repair guides and diagrams through autozone rewards. The connectors are shown with end on views with.
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