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Thread: Tach Question

  1. #1
    Chrisrokc's Avatar
    Join Date
    Apr 2006
    Oklahoma City, OK

    Tach Question

    What is the RPM reading difference between wrapping the wire around the covered part of the wire (red part) and the front un covered wire (black) near the spark plug?

  2. #2


    I don't know... but when I initially installed my tach and ran the wiring on the black part near the EFI box, it was fine. Now for some reason I'm getting funky readings. Like..10,000 RPMs etc. I can't seem to get a good reading anymore.

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