2000 GMC Sierra-Light controls

Asked by buckskin Sep 08, 2011 at 01:59 PM about the GMC Sierra

Question type: Maintenance & Repair

Light controls are not working properly.  The dimmer on the dash lights have become
an on/ off switch only.  The headlights are on whenever the truck is running ie the
daytime running lights are no longer working.  Any one had this problem??

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Jon answered 5 years ago

Have you tested the switch?

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