Back up lights

Asked by Cherokee21486 Feb 13, 2019 at 10:39 AM about the 2003 GMC Envoy 4 Dr SLT 4WD SUV

Question type: Maintenance & Repair

How do I fix my backup lights bulbs
and fuses are new

2 Answers
30

Diymechanic37 answered 5 years ago

Check your ground near the taillights look up the wiring diagram for your year make model and sub model

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oilyspill answered 5 years ago

Thought this might help. You can see the fuse, upper left. Lower right should be for gmc. The top wire for back-up lamps in diagram is voltage. The bottom black wire in diagram is ground.

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