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  1. M

    No power to main taillight harness plug

    Currently no voltage all the way up the frame as far as I could follow
  2. M

    No power to main taillight harness plug

    I more than appreciate all the replies. The truck has all upgraded 1/0 grounds and I’ve added in a 1/0 ground going from the rear of the frame to the flat spot behind the rear bumper, and I’ve added a 1/0 ground from the battery to the mounting tab of the alternator. As far as the test light...
  3. M

    No power to main taillight harness plug

    So I’ve searched for my specific issue all over the place hoping not to make another “no lights” thread but nobody seems to have had it and electrical troubleshooting is far from one of my best skills. On my 2000 Chevy c3500 All 3 brake lights, rear signals, rear markers, and plate lights are...
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