• 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 by - SixT5HiPo on 02/24/2007 22:26:42

  • 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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