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No Low Beam Drivers Side

Discussion in 'Fisher Engineering Discussion' started by 660jeffr, Nov 17, 2013.

  1. 660jeffr

    660jeffr Junior Member
    Messages: 3

    Just installed 7' 6" HD with 3 plug 3 port module on an 07 Silverado. Everything works except low beam on drivers side. Bulbs are good. When testing plug at headlight I have power on the com wire when the high beam is on and nothing on the low or high wires. All 3 wires are dead on low beam. Passengers side everything is normal. Power on high beam wire on high and power on low beam on low. Can't figure out why I'm getting power in the com (ground) wire.
     
  2. kimber750

    kimber750 PlowSite Veteran
    Messages: 3,653

  3. 660jeffr

    660jeffr Junior Member
    Messages: 3

    So you are telling me that the drivers side headlight is connected backwards?
     
  4. kimber750

    kimber750 PlowSite Veteran
    Messages: 3,653

    Very possible, make sure both connectors are on "A" or "B"
     
  5. 07PSDCREW

    07PSDCREW Senior Member
    Messages: 863

    I just had a similar issue. There was a configuration plug that needed to be installed. Up By the module.
     
  6. shooter56

    shooter56 Member
    from ct
    Messages: 57

    Same thing with mine you have to jump from the center pin (B) to the (A) pin part#26421 in the configuration plug.
     
  7. Arc Burn

    Arc Burn PlowSite.com Addict
    Messages: 1,138

    No configuration plug on a 3 port harness,they use reversible plugs on the HB3-HB4 lights.
    Kimber750 has you on the right track,just one of the harness's pluged in wrong can screw with you on the opposite side
     
  8. 07PSDCREW

    07PSDCREW Senior Member
    Messages: 863

    Ahh. Sorry sir. Didn't know that.
     
  9. shooter56

    shooter56 Member
    from ct
    Messages: 57

    Also missed that. sorry
     
  10. 660jeffr

    660jeffr Junior Member
    Messages: 3

    Kimber had it right. Just had to reverse the drivers side headlight plug. Thanks so much for the info! I could see my self running a wire from 1 headlight to the other lol