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73-87 Chevy _ GMC Trucks => Electrical => Topic started by: johnc10 on August 24, 2021, 05:57:19 PM
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I bought a brand new rear harness for my 1976 C10 and I can’t seem to get the rear side markers to turn on. My old harness had no issues with the side markers and I can’t seem to figure this one out. I am using new bulbs and I even tried it with the old bulbs which were working fine. Any help is appreciated.
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They rely on body grounds at the rear tail light opening. Are they connected, clean and tight?
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For the taillight ground, are the eight mounting bolts for the bed the grounding of the bed? Or is there an additional grounding somewhere?
Wondering if there's a different grounding scheme with the new harness.
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