Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose).
When you say driving lights you are referring to the parking/running lights on all 4 corners of the vehicle?
Under the hood are these fuses good, DRL/EXT LTS and EXT LTS?
At the headlight dimmer switch are the black and yellow wires a good ground with the headlight commanded on?
Thanks for checking all of those. So you have power to the headlights and ground to the headlight dimmer switch but the switch is not grounding the headlights. So this concludes the dimmer switch is at fault.
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