• Any ideas on how to test a rallypac tach?K-motor is not back in kar yet but have a 65 comet can test on,is this as easy as connecting to +side of coil and grounding?

    Edited once, last by SixT5HiPo (February 24, 2007 at 10:26 PM).

  • Hi,

    The tach is connected between the positive side of the coil

    and the ignition. Split the connection wire under the dash as

    the resistor wire (from coil) must be used and connect your

    tach in between (in series).

    /Bo

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