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Discussion Starter · #1 ·
i’ve got a 2004 GMC sierra 1500 and my headlights flicker and I can’t figure out what the problem is sometimes they will get brighter or dimmer depending on how I turn the wheel and going down the road The lights will pulsate over bumps and turns but the weird thing is when they do the turn signals flicker on my aftermarket tow mirrors I’ve replaced the alternator with a higher powered one and I had someone check the ground and they said they couldn’t find any bad ground it’s a mysterious problem and I just can’t figure it out anyone else had this problem ?
 
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