Why are the low beams not working?
All lights work including brights and blinkers but not the low beams
Is this a good question?
Repair guides and support for C/K pickup trucks sold by General Motors under the GMC brand, including the GMC Sierra.
First things first, check your fuses. By brights I suspect you mean hi beam. Low beam has its own fuses for left and right. So check those out, if they are good, check the relay, you can usually swap it out for another of the same type. Last of all check your bulbs, chances are they've just blown. If none of the above works, well that's when it becomes more in depth.
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