Hi.. my mom has her GMC Envoy and we are having problems with the headlight (the ones on the outside-please forgive my ignorance, I do not know much about cars) Anyway, when we go for night rides, they simple turn off. I was wondering if you have an idea of what could be wrong.... We try turning off the car, putting it on parking, even letting it cool down for a bit but the problem continues... we have to have the stronger light on, these are the only one that work..... the inside panel stays lit .. the problem is only with the one on the outside.... Anyway, hope I am asking the question a way you may understand, please my answer in plain simple englis (~_^) thanks for your help....during the day and sometimes at night the light are not burned, they seem fine.... they tun on ok but just turn off and sometimes turns on quickly but other times takes longer to turn back on. Also, I've seem them turn off at day time but back on fast...
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In keeping it simple I would say you may have a loose connection or broken wire in the low beam head light system of your 2004 GMC Envoy. It should be fairly easy for a qualified technician to isolate the cause if the checks are done when the lights are not working. One thing you can try is moving the tilt steering wheel up and down to see if that has any affect on the headlight operation. It is not uncommon for a wire to the low beam headlights to break at the high beam dimmer switch in the steering column.
check the relay for head ligths ifound that on my envoy 6 mounts ago ligths turn off whent running some times come back again and some times not so chek the relay
