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Old 07-28-2021, 04:46 PM   #3
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Join Date: Nov 2016
Location: Austin, Texas
Posts: 13
Re: Wiring halo turn signals, delete bumper signals

Itís a 1972 c10 with the lights in the bumper originally. Yes they ground through the housing normally. Since the LED headlights only have a ground wire and are plastic and donít touch the body I assume this is the problem with using the built in blinker on the headlights. The headlight circuit uses the ground wire so there isnít a ground to the body for the blinker in this configuration.
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