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wiring problem

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by ed1507, Feb 2, 2003.

  1. ed1507

    ed1507 Registered Member

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    i have a 85 k5 the problem is the rear taillights wont work the bulb are good and every thing else works there i have replaced the head light switch any one know where else to look /forums/images/graemlins/usaflag.gif /forums/images/graemlins/k5.gif /forums/images/graemlins/usaflag.gif
     
  2. m j

    m j 1/2 ton status

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    that is a big question.
    start at the firewall connector with a test light and se if there is power there at the rear harness pin.
    this will tell you whether the problem is inside the cab or along the harness to the lights
     
  3. ed1507

    ed1507 Registered Member

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    found the problem both rear grounds were bad may be this will help some one else thanks every one ed.
     

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