Question about 1996 GMC Yukon

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Courtesy lights blow 20 AMP fuse #3

1996 GMC Yukon SLT, 5.7L, 4WD, 4DR
20 amp fuse #3 on the the drivers-side fuse panel blows with a loud pop. This fuse controls courtesy lights and exterior rear view mirrors.

I've replaced the drivers jamb switch and the mirror control switch (it had minor corrosion) but no fix. Some times the lights will work for several days, then blow the fuse for no apparent reason. There's obviously an intermittent short somewhere.

I suspect the dome override switch (next to headlight switch) but not sure where to test with my multi-meter.

Also, the DRLs don't work; any connection to the courtesy light issue? Can I remove the DRL relay and do away with DRLs?

Are there any other relays or switches that could be the problem?

Thanks,
Bill

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  • Anonymous Jan 09, 2009

    I have the exact same problem

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  • 12 Answers

Check the wiring under the carpet and to turn off the day time running lights just pull the drl fuse

Posted on Dec 19, 2008

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