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Coil Voltage Question

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  • Coil Voltage Question

    My coil shows 12.4 volts during engine idle. I don't see a ballast resistor. I have a green black wire which I believe is the battery voltage during start or full B+. Other wire is pink coming from the ignition IGN switch. Isn't the pink line a resistance line to drop the voltage? Is the coil a internal resistance coil? Vehicle is 61 Lark. Thanks.

    Start and Stage Your Studebakers

  • #2

    pink *should* be a resistor wire. make sure it hasn't been replaced with regular wire at some point in the past. check resistance between ignition swotch and coi, IIRC it should be about 1.7 ohms

    good luck


    55 Commander Starlight
    62 Daytona hardtop
    55 Commander Starlight


    • #3
      Some time ago I read about a factory bulletin concerning the replacement of that pink wire.IIRC,the originals were losing their resistance,and the instructions were to use the full length of the replacement wire...
      The other remedy would be to use a Mopar resistor from a points ignition era car, in place of the resistance wire.[and years ago I learned to carry a spare resistor in the glove box,when driving those Dogs-I mean Dodges.

      Home of the Almostahawk