Testing headlights... 2012 GMC Acadia SLT AWD-How do I troubleshoot?
Testing headlights... My 2012 GMC Acadia SLT passenger side headlight
(daylight,hi and lo) stopped working all together. No indicator light is on, turn
signal and running lights ok. Fuse under hood ok. Lights still clear and
filaments connected. How do I troubleshoot? Sorry if this is a repeat question,
but search for "2012 GMC Aadia passenger headlight bulbs" returned 588
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