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GT Hawk tach question?

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  • GT Hawk tach question?

    In a 63 GT Hawk, the factory tach just bounces up and down from 0 to maybe 1000 no matter what the engine speed. Any suggestions on what to check?

    jerry moore

  • #2
    First check the wire at the coil. If that seems okay then check to make sure that the tach has a ground wire going directly from the metal tach housing in the dash to a good ground behind the dash. There is a terminal on the tach for this and it should have a white wire there to do the job. I know this seems redundant as there is another ground in the wires that go to the tach, but it cured mine of this same problem.
    Tim K.
    Tim K.
    \'64 R2 GT Hawk

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    • #3
      Thank you GTtim. I will sure do it.

      jerry moore

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