Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by miked70, Jan 1, 2012.
Do you think a bulb socket or other?
its likely the problem that or a wire is loose.
Easiest way to find out is to replace the bulb with one from a local parts store. I think I just paid like $5 for a pair from O'Reilly's. If that doesn't fix the problem, check fuses next, and then start worrying about the wiring.
Mike I had this problem with my 03 silverado last year well two years now. Would turn on the right signal sometimes it worked, other times the blinker would stay solid and other times it wouldn't do anything. While the left signal was fine. All my bulbs were good so it took out my relay, took it apart and lubed it up. That worked for about a week. So had to go to the dealer (only place I could get it) to replace it. I believe it was over $100. Now everything is fine, no problems now.
We've had several of the NBS Silverados with corosion in the tail light wiring harness'. I believe that it is from the crap they spray on the roads up here.
Hey, you're extremely close to me! I hear ya on that crap "Mag Chloride". It eats through absolutely everything doesn't it? Seems like we were going through a ton of tail lights in our work trucks before we finally figured out that wire nuts really aren't the best solution for fixing the problem, lol.
x2 on the corrosion. Here in Michigan they just use salt. My 02's left tail light stopped working. It was where the rear harness connected to the front. On the frame cross rail just behind the spare tire. I pulled it apart and cleaned it. Have not had an issue in 3 years now. My friend has an 03 that had the exact same issue and solution.
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