Mechanics

HEADLIGHT PROBLEMS WITH T7500. WHEN LIGHTS ARE OFF THE DASH IS SHOWING THAT THERE ON AND WHEN I TURN THEM ON I ONLY HAVE ONE LIGHT AND DASH LIGHT GOES OUT. BUT USING BEEMS THERE ALL ON. IM HAVING TROUBLE FINDING WIRING DIAGRAIM. ANY HELP WOULD BE

2001 GMC Other • 80,000 miles

Hoping for link to find wiring diagraim or any info if available. Thank you.
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Richbecker
December 5, 2011.



Check your fuses and relays for headlights in underhood fuse box first.

Hmac300
Dec 6, 2011.