2006 GMC Envoy Xl "high beam lights" Questions

...high beam work but low beams dont i had the low beam blubs tested and they are not burnt out . where should i start the trouble shooting at? Firstly start at main on/off switch then main beam/dip ...

...Check for voltage at the plug in the back of lights... If you have voltage, its the bulb. If you don't have voltage...then check the fuses. GM has low beam and high beam fuses. Hope this

low beam lights but the market light and high lights works on 2004 Envoy Common problem. Next time your low beams don't work, switch relay #46 with relay #45. If you now have lights, replace the relay

low beams wont come on . changed dimmer switch, fuses are good, and brand new bulbs. high beams and running lights work though? There are head light relays in the relay box,this could be the problem.

my 2007 Envoy low beam do not work but the fog lamps and the high beam dose work. two possibilities. your lights are bad or you have a bad hi/low switch. i would check the lights first.

high beams still work dash lights still work.What could cause that I6 engine 4x4 What you are describing sounds like the dimmer switch is bad. Just need to replace it and that should take care of this

...High beam headlamps work, parking lights work and fog lights work, but my low beams do not. What could the problem be? This sounds like a loose connection/bad wire somewhere for the low beam lights. ...

...high beam regardless which setting the switch is on. She usually keeps the switch in the running light posistion, but now she has no low beams. I see on the net where this is a problem for others but ...

2005 gmc envoy.. head light go out when driving at night, high beams will come on but they to are beginning to fail.. what is causing this? a poor battery connection is what I suspect... Check that ...

beam works switch to high beam spot lights work power at all 4 lights but no high beam. high beam indicator light on dash works All 4 lights is HIGH beam. The 2 that come on in 'LOW' are the low beams