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2005 gmc envoy_denali_xl
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Discussion Starter #1
I have a problem with my reverse lights not coming on. I have been reading the forums about people who have had the same problems and many seem to have solved it with changing a fuse. I checked both fuses (one up front #27 and one under left passenger seat #32) and both are fine. While in reverse and engine running, I measured 13.1 Volts on both sides of each fuse.

I tested each light bulb with an external 12VDC Source and they are both OK.

What can I test next to solve this problem? Is there a schematic or wiring diagram for this part of the electrical system available?

I recently replaced the air shocks and rear brakes but I did not notice if the problem started at that time. This is the only service in the back of the car in recent memory.

Your help would be greatly appreciated.
:thx




 
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