1931 Harley VL with positive ground?

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  • Buster
    Senior Member
    • Jun 2001
    • 384

    #1

    1931 Harley VL with positive ground?

    I am helping a friend get the bugs out of a very original poorly running 6-volt 1931 VL. We found that due to a previous wiring error the bike is running with a positive ground. We have corrected to negative ground. Would this previous positive ground have ruined coil, generator, or any other electrical components? I assume it would ruin the generator relay, is this correct. Thanks!
  • tomfiii
    Senior Member
    • Jun 2007
    • 310

    #2
    Would have to reflash generator and make sure coil is wired properly. Relay doesn't care if pos. or neg.

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    • Buster
      Senior Member
      • Jun 2001
      • 384

      #3
      How do you know which post is positive or negative on coil?

      Comment

      • Peter Cooke
        Senior Member
        • Aug 2012
        • 563

        #4
        Isn't the one nearest the front the positive? Green wire from dash I think.

        Comment

        • Peter Cooke
          Senior Member
          • Aug 2012
          • 563

          #5
          There's a wiring diagram in the link below.

          https://forum.antiquemotorcycle.org/...-panel-rebuild

          Comment

          • Buster
            Senior Member
            • Jun 2001
            • 384

            #6
            Thanks again!

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