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14/12/2023 6:47 pm
Topic starter
2003 gmc yukon
So my courtesy lights are all working except the drivers door, but the bulb is good I tested them all with a new bulb and all but the drivers door works. Is there a fuse for seperate doors? I got new led courtesy lights and it's gonna drive me nuts.
1 Answer
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14/12/2023 6:54 pm
Just a wild guess but after 21 years of the door opening and closing, the switch may have worn out or wiring might have gotten a bit worn where it flexes between the door and door frame.
I don't see how it could be that because when I open the driver door all the other lights come on
The switch might be OK but the wiring for the courtesy light could be shot. Check for voltage at the bulb socket and trace wiring back to find the fault.