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Headlight polarity

Discussion in 'The Hokey Ass Message Board' started by usmile4, Nov 12, 2012.

  1. usmile4
    Joined: Jul 28, 2005
    Posts: 689


    This is the 6V headlight out of my 51 chevy (I might have it upside down?) According to the pigtails, the polarity of the studs are as indicated on the picture.

    I've converted to 12V so I'm going to get new headlights but I wanted to keep the old pigtails. Someone told me that on a 12V light, the horizontal (bottom of picture) is the ground. Can someone give me the polarity for each of the studs on a 12V headlight?

  2. propwash
    Joined: Jul 25, 2005
    Posts: 3,858

    from Las Vegas

    just plug 'em in....nothing changed in the plug from 6V to 12V
  3. chaddilac
    Joined: Mar 21, 2006
    Posts: 13,869


    Nope... it's the right vertical (looking at the back of the headlight) one I believe. I just went through that with some headlights... if you look at the filament you can see that one side is common to the two filaments.
  4. 40FordGuy
    Joined: Mar 24, 2008
    Posts: 2,907


    Ditto, what propwash said.


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