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    Author Topic: Tach wires?  (Read 664 times)

    Offline RaptorF229

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    Tach wires?
    « on: October 09, 2007 - 11:47:26 PM »
    I bought a console with a tach and since I'm new to this working on my own car stuff I don'know how the wires are setup. There are three wires black, red and green. I'm assuming red is positive black is ground and green goes to coil but which side?
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    Offline Bullitt-

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    Re: Tach wires?
    « Reply #1 on: October 09, 2007 - 11:59:57 PM »
    from http://www.centuryperformance.com/mallory/wiring.asp

    Red to 12-volt "switched" power supply
    Black to ground
    Green to trigger (negative side of coil, or tach output terminal if using an aftermarket ignition control)
    White (or yellow) to light circuit
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    Wade  73 Rallye 340..'77 Millennium Falcon...13 R/T Classic   Huntsville, AL
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    Offline 6packCuda

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    • Eagle, NE... Member since 11/17/06
    Re: Tach wires?
    « Reply #2 on: October 10, 2007 - 12:01:01 AM »
    Yeah, you've got it right. The green should go to the negative side of the coil if you have stock ignition setup.
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    Dave

    Offline 6packCuda

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    • Eagle, NE... Member since 11/17/06
    Re: Tach wires?
    « Reply #3 on: October 10, 2007 - 12:01:48 AM »
    What he said. :2thumbs:
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    Dave

    Offline RaptorF229

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    Re: Tach wires?
    « Reply #4 on: October 10, 2007 - 01:03:46 AM »
    Thanks guys.
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