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GMC Master
6,826 Answers
- Posted on Dec 12, 2011
Re: 2004 envoy xuv low beams went out all other lights...
Try to see if the bulbs blew out by replacing the bulbs first. If they still won't light, it could be bad grounds or connections or bad continuity in the wiring to the headlight relays or switch. Good luck on this repair.
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