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sick472 · 03-17-2021, 11:37 AM

IIRC there should be grounds on the engine side of the core support, very close to the headlight buckets, one on each side of the truck. The ground fittings comes out of my original wiring harness and merely bolts to the core support.

Again, IIRC, my side markers would not flash IF the parking lights were not hooked up to the wiring harness AND grounded at the bumper.

03-17-2021, 11:37 AM	#5
sick472 Registered User Join Date: Jul 2015 Location: Sedalia Mo. Posts: 1,131	Re: Bad Ground....but, where? IIRC there should be grounds on the engine side of the core support, very close to the headlight buckets, one on each side of the truck. The ground fittings comes out of my original wiring harness and merely bolts to the core support. Again, IIRC, my side markers would not flash IF the parking lights were not hooked up to the wiring harness AND grounded at the bumper. __________________ He who is without oil shall throw the first rod. Compressions 8.7:1 1972 C10 1976 C10 (parts truck) 1985 K20