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Mudslinger 3/6/2012

1990 Chevrolet K2500 Silverado 8 Cyl 5.7L

Body & Interior

My speedometer does not work. Where do I look to narrow down the problem?

My speedo quit working a couple of months ago. The pickup has 125,000 miles. I have replaced the speed sensor on the transfer case but it did not solve the problem. I tried testing the 2 wires that go to the sensor, but could not get the test light to light up and I had good ground. I dont have a book that has the wiring schematic, so I do not know where to check now. Any ideas?

1 Answer


TechSam 3/7/2012

Speedo meter cable going into the trany, there will be a plastic gear on the inside of the tranny, replace that plastic end.


Mudslinger 3/12/2012

The speedo is electronic so there is no gear in the transmission. Do you have any experience with that?

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