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wiring problem

Discussion in 'Early CJ5 and CJ6 Tech' started by sfrench, Dec 28, 2009.

  1. Dec 28, 2009
    sfrench

    sfrench New Member

    Rhode Island
    Joined:
    Jul 21, 2009
    Messages:
    37
    ok so i built my own wire harness and everything works except when I step on my brakes my front driving lights get bright (front brake lights) and when I turm on my parning lights the fronts come on but when I turn on the headlightst they go out? any idears?
     
  2. Dec 28, 2009
    kaiser_willys

    kaiser_willys Well-Known Member

    Joined:
    Jan 7, 2007
    Messages:
    1,524
    some vehicles, thinking pre 68. the front park lights went out when the headlights were on. front park lamps getting bright when brake is applied sounds like something is wrong in the turnsignal circut
     
  3. Dec 28, 2009
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    cordele, Ga.
    Joined:
    Mar 29, 2007
    Messages:
    5,936
    Yep, Thats correct. If you want your front running (park) light on with tail lights, just move the park wire feed over on the headlight sw to connect w/tail. And what turn sig sw do you have? Seven wire?
     
  4. Dec 28, 2009
    nhjeep

    nhjeep NH Jeep

    NH
    Joined:
    Mar 6, 2008
    Messages:
    113
    I just wired my 1969 cj5 with a painless wiring kit with the orignal spartan turn signal and did not have any problem like that. I had a friend who was a machanic who rewired an older car and told me that I might have the same problem you are having. He said that he had had the same issue wiring a Cobra and solved it by putting diodes series in to prevent backfeed from the brake lights. Someone else might have some input on this and where to pick up the diodes.
     
  5. Dec 28, 2009
    nhjeep

    nhjeep NH Jeep

    NH
    Joined:
    Mar 6, 2008
    Messages:
    113
    Test the headlead switch, when I did mine there were 3 terminals on the headlight switch that controled the lights. One was on at the first position (parking lights), another was on in the first position but off in the second position when the headlights were on. The third was the headlight switch. You want to use the one that was on in the first and second postions that would allow the parking lights to stay on when you turned the headlights on. I hope that that did not confuse you.
     
  6. Dec 29, 2009
    sfrench

    sfrench New Member

    Rhode Island
    Joined:
    Jul 21, 2009
    Messages:
    37
    I have the seven wire and ima try all the sugesgions this weekend when I try to fix it thanky you all
     
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