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  1. #1
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    Default GM RamJet 350 wiring

    I have a RamJet 350. I have a white wire that I do not know what it hooks up to. A wiring loom that has a heavy read wire (from the battery through a fuse), a purple wire labeled ignition, a gray wire labeled analog tachometer, and an unlabeled white wire. Does anyone know what the white wire goes to?
    Last edited by CliffG; 1 Week Ago at 05:29 PM. Reason: misspelling

  2. #2
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    1969 Camaro - LSA 6L90E AME sub/IRS
    1969 Camaro convertible - LS3 4L65E Ridetech Level 2 Tru-Turn - sold
    1959 El Camino project
    1969 Mustang Sportsroof project
    1956 Cameo project

  3. #3
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    I found this in the manual. Maybe this is it? Didn't specify color codes.

    14. You will also notice two tachometer outputs from the harness, tach1 is for a standard negative side of the coil driven tach.
    Tach2 is for digital tachometers; this is a 0-12 V square wave output. Select and connect the proper output for your application.

  4. #4
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    Thanks for the information.





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