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  1. S

    Speedometer reading MUCH too high..

    Well solved my issue I swapped out the speedometer circuit board (the circuit board that the speedometer plugs into) from a known good donar. I also swapped out the odometer motor as it was shot (odometer wasn’t working) Not sure if the issue with odometer motor was related to the speedometer...
  2. S

    Speedometer reading MUCH too high..

    I just bought a 97 C1500 5-speed. The speedo reads double of what my actual speed is. I’m getting the correct speed output on my scanner and GPS.
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