My daytime driving lights work but not my regular or highbeams

Asked by Feb 20, 2014 at 07:57 PM about the 1999 GMC Suburban K1500 SLT 4WD

Question type: Maintenance & Repair

3 Answers

10,915

Do the tail lights work when the head lights are supposed to be on. Start simple first. Check the fuses first, they are separate so I doubt thats the issue. If they all stopped working at once and the fuses are good you need to check the relay in fuse panel under the hood. If it's not the High/Low dimmer on the column.

1 of 1 people found this helpful.

Yes the tail lights are working when the headlights are supposed to be on.

10,915

K. Then concentrate on the High/Low switch and the relay.

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