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Thread: Engine RPM

  1. #1

    Default Engine RPM

    Thanks 4 cecking out question, but I found the info I needed.

    What can I attatch a 1 wire lead for RPM reading like a Tach under the hood or dash? 2004 TJ/LJ 4Ltr. I know the plugs fire twice every revolution once power second exhaust. But I need the actual RPM of engine. Help Please.
    Elmer Phudd
    Last edited by elmer phudd; July 21st, 2012 at 09:40 AM. Reason: Found answer

  2. #2
    GLFWDA Member GLFWDA Member StingRay66's Avatar
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    Nov 2008
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    81

    Default

    Well which wire is it?

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