headlights not working

Asked by Oct 30, 2019 at 07:07 AM about the 2015 GMC Acadia SLT-1 AWD

Question type: Maintenance & Repair

I have a 2015 GMC SLT. The headlights have abruptly quit working, Daytime running lights and fog lamps still work. High beam are VERY dim when switching from low beam, that do not work at all.  When trying to manually switch lights on you can hear a clicking noise.

2 Answers

79,805

Could be a defective dimmer switch or module. Less likely, would be a defective headlight switch.

13,415

Could also indicate a failing relay.

Your Answer:

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