Rear running lights not turning on

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brinx182

Newbie
Joined
Mar 29, 2020
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Location
North Carolina
Put in new rear light boards because my brake lights weren’t working and I had power coming to the rear. Rebuild the section of harness at the rear bumper. I don’t power with the parking light switch on in the rear, but the fronts come on. No torn wires under the dash that I’ve found, the reverse lights don’t work either but I think they’re unrelated. Both turn signals work on the rear. If anyone knows of a common issue or has wiring diagrams of the parking light system I’d greatly appreciate it. 1989 c1500 Silverado 5.7 auto. Thanks.
 
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