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Ask Dave Nova Your Own Question
Dave Nova
Dave Nova, Chevrolet Technician
Category: Chevy
Satisfied Customers: 19452
Experience:  ASE Master Certification. GM World Class Certification
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What would the issue be with the headlights. All interior

Customer Question

What would the issue be with the headlights. All interior and exterior lights on the truck work except the low beams. Both low beam headlights will not come on. Highbeams are fine, running lights all work.
Submitted: 1 year ago.
Category: Chevy
Expert:  Dave Nova replied 1 year ago.

Do you have access to a test light or voltmeter?

Customer: replied 1 year ago.
Expert:  Dave Nova replied 1 year ago.

Check the low beam headlight fuses in the under hood fuse panel. If these fuses are good, try swapping the low beam headlight relay with one of the other relays in the panel. If the lights still do not work then it is likely the low beam bulbs that have failed. I have seen several instances of both low beam bulbs failing at the same time.