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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
    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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