i have power to rear brake lights rear turn signals and reverse lights everything works but the passenger side turn signal and yes it is getting power i checked with a dc tester

Josh Anderson

Asked by Mar 13, 2016 at 11:54 AM about the 1994 GMC Sierra 1500 C1500 SL Standard Cab SB

Question type: Maintenance & Repair

both sides - brake lights, lights, and reverse work
driver side turn signal works
passenger side turn signal doesn't work, it does get power, I have a dc tester that u clip to ground and a light will come on which it does it blinks rapidly which a turn signal should, I'm stumped

these are after market lights not sure if that matters, one side works perfectly fine other side only thing that doesn't work is turn signal and again it get power to it brand new bulbs so its not the filament

1 Answer


Do the aftermarket light still use the stock IC board on the back of the tail light assembly? If so that could be you problem and they are available aftermarket also.

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