Having problems with your 2004 GMC Envoy ?
2004 GMC Envoy XL 2 out of 3 rear brake lights will not work. All other rear lights work. Changed brake switch, checked fuses, changed bulbs and replaced circuit boards and we still don't have b
Have seen same issues with a car, 98 chevy, and others...headlights suddenly not working, a 350 model truck year?, kinda new, very well kept, for instance. Problem was with the turn signal lever having wiring associated for lots of stuff, and something wrong there. Good luck. Seems may be common for various makes to have light failure issues, intermittent or not despite all checked seeming fine. And the turn signal lever the culprit.
Feed supply problem somewhere ?but where ? try checking the wiring loom at the rear or as its called in american "pigs tails"
Repair Help & Product Troubleshooting for 2004 GMC Envoy
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