2007 GMC Envoy Denali "daytime running lights" Questions

...gets dark enough the "daytime" running lights should go off and the headlights and tail lights should come on for night time driving. The head light switch must be set in the "auto" position.

...lights won't come on but all other includeing the high beams work check to make sure that your bulbs arnt burnt out because the high beams are differnt bulbs than your daytime running and ...

DAYTIME RUNNING LIGHTS TO COME BACK ON.... 1. try to replace your headlight bulbs / running lights. 2. if this does not solve your problem, look for the relay switch for your headlights and replace it

...daytime running light has gone out. i have the bulb and i would like to replace it. can anyone help me? if both bulbs are out... investigate the relay/control unit mounted usually on the firewall it ...

daytime running lights wont turn off lights wont turn off even after car is turned off or by turning the light switch they should turn off when the main headlights are turned on, if not then you could

low beams go off with out any notice high beams are fine noone can fiqure out how to fix theproblem Daytime running light sensor and/or the column switch are going bad.

When I start my Envoy the daytime running lights don't go on. I can't get them to go on manually either. What can it be? Replace Relay #46 in the underhood fuse panel.

how do i relpace my daytime running lights relay fuse that would be in the under hood fuse box 

...daytime running lights just went out all other lights works ckd bulbs fuses and relay they all seem good dimmer switch appears to be good what else can i ck or what could problem be Their is a photo ...

...daytime running lights and headlights (with switch turned on) works intermittently. and/or your switch itself may be starting to go bad (bad contact, etc.) and would need to be replaced. hope this ...