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One headlight not working


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Posted

I did an HID conversion on my wifes 07 Tahoe. I ordered the same kit I've been using in my 09 Silverado trouble free for 3 years. Anyways, everything was working great for about a week or so then the left headlight went out. I figured maybe a bulb crapped out so I ordered and replaced the bulb which did not fix the problem. So I ordered a completely new set and changed out the ballast. It's still not working after trying 3 different ballast and 3 different bulbs. I assume I've lost power to this side? Where do I need to look next to fix this issue? Is there a fuse or relay I should check? Any help would be greatly appreciated

Posted

Yeah, thats my plan. I'm unfortunately stuck working all weekend and cant spend any time on it until Monday but I figured I'd ask around to see if this was an issue anyone else had any experience with until then.

Posted

That's the drawback to all these HID conversions, they're not dependable and they're illegal. The dealers buy cheap Chinese junk and claim it's high quality. At least with my halogens 99% of the time they work when I turn them on. When one side doesn't light it's time for a new bulb. Nice and simple.

Posted

Yeah I hear what your saying, fortunately, that hasn't been the case for me as I said the same exact kit has been going strong in my Silverado for 3 years now on the same bulbs since the day I installed them.

Posted

Do a quick check on your fuses. In the under hood fuse block I think fuse #31 is driver"s side high beam. And fuse#29 is passenger"s side high beam. Fuse #11 should be driver's side low beam. And fuse #16 is passenger's side low beam. If the fuses that I mentioned are not the right ones look at your fuse block label. There should be a listing of all your fuses. If your fuses are ok then start with the test light and start tracing your wires Both power and ground.

Posted

Check the polarity of the hookup when you installed the new ballast. I've had several kits and I know that they will not fire if the ballast is hooked up in reverse.

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