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Electrical problem...please help!

Discussion in 'The Garage' started by mtrdrms, Mar 14, 2005.

  1. mtrdrms

    mtrdrms 1/2 ton status

    Mar 14, 2005
    Likes Received:
    Torrington, CT
    What a great site. Hi everybody. I am new to the forum and was hoping I could pick the minds of a few other chevy guys without going into the member forums. I have an 87 pickup and when I turn on the lights only the headlights come on. no tailights, no marker lights, no clearence lights. The brake lights work however. I replaced the light switch with a new GM unit but it didnt help. Any ideas? Thanks. Andy
  2. wraenking

    wraenking 1/2 ton status

    Apr 30, 2003
    Likes Received:
    Toms River, NJ
    check all your gorunds. trace all the light wires going from the tailgate section forward, including the liscence plate light for anything worn.

    my problem was someone used the brown wire from the factory harness behind the stereo as a ground. it is actually a gauge light wire, but when off acts like a ground.

    hope this helps

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