Question about 2002 GMC Sierra
Fog lights on 2002 gmc sierra won,t work. Bulbs are good, relay and switch seem fine and fuse is good. I got them to come on when I put a test light on the negative switch post on the relay//// Help
Definitely a ground. Clean everything with light sandpaper. Follow any/all wires and see where it grounds, clean there too. If all else fails, run a new ground wire from the frame to the exact spot you got the bulbs to work (a workaround that usually remains permanent on my cars!).
Posted on Dec 01, 2008
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Posted on Jan 02, 2017
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