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Tach with Duraspark II

Discussion in '1965-1970 Shelby Mustang GT350 & GT500' started by di81977, Aug 10, 2006.

  1. Aug 10, 2006 #1
    di81977

    di81977 New Member

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    Hope I am not bothering anyone, but I can not get an answer to my question from other mustang forums and thought I would try here.

    Without going into a lot of details, I have a 68 Mustang with Tach and recently installed a duraspark II ignition. No one seems to know how I reconnect the factory tach to the new electronic ignition.

    Has anyone with a 68 GT350 or 500 installed electronic ignition and if so, how did you reconnect the tach?

    I really appreciate the help!

    David
     
    di81977, Aug 10, 2006
    di81977, Aug 10, 2006
    #1
  2. Aug 11, 2006 #2
    Texas Swede

    Texas Swede Well-Known Member

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    I have electronic ignition, Pertronix with coil
    and cables on my Shelby 67 and I never did anything
    to the tach hook up. All the tachs for early Mustangs are
    connected to the positive side of the coil through a resistor
    wire. Very important to use the wire or a resistor to reduce
    the voltage over the coil after the car has started and is running.
    Hope it helps,
    Texas Swede
     
    Texas Swede, Aug 11, 2006
    Texas Swede, Aug 11, 2006
    #2

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