tachometer

  1. J

    Tachometer only works intermittent and speedometer is inaccurate

    98 z71 Tachometer can go months without working and then will work for a few days. Speedometer always works but is roughly 8mph off at highway speeds and 4 mph off on city speeds. Everything is stock as well. Any suggestions
  2. VictoryRed

    Speedometer revs with tach sort of

    When i rev high ish my speedometer goes to 10mph while in park is this just normal for these trucks? 1999 tahoe 350 vortec 4L60e
  3. Tommy Frantz

    97 K3500 tachometer inop questions

    Guys, I have a 97 K3500 that I converted to diesel. It was a 350 gas automatic and I switched it to diesel with a manual transmission. I pulled the auto dash and installed a 97 diesel manual dash so it wouldn't have the "prndl" and it would say "diesel fuel only", I know its a little ocd, but...
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