Question about Cars & Trucks
My high beams don't work
The circuit breaker for the headlights is inside the headlight switch.
But if your low beams work and the high beams don't, the problem may be in the dimmer switch.
Posted on Apr 20, 2013
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Posted on Jan 02, 2017
just remove all the connections as it could be malfunction in the switches and the wirings needs to be rechecked to make it proper.other option could be bad dimmer switch. You will need to replace the turn signal/ dimmer switch as an assembly.to replace you will need to disable the air bag, drop the column, pull the wheel
Posted on Jan 10, 2009
I have heard it could be the Daylight Running Light module located under the dash above the brake pedal. The module controls both the daytime running lights and the low beam lights. The high beams are independent of this module.
I have the same problem. I am trying to buy a new module.
Posted on Feb 23, 2010
SOURCE: the low beams of my
mdsarnes, The first thing that I would check is the fuse for the low beams located in the engine compartment power distribution box. (Fuse box) GM does have a legend written right on the cover so you know which fuse to check. Also, when the low beams are on try and wiggle the connectors to each bulb. If these dont work, replace one bulb and see if it works. If it does then take the same bulb and try it on the other side. If you have a test light then you can test for power at the plugs before you purchase any bulbs. Good luck with this.
Posted on May 22, 2011
my suggestion is that you check/ replacr the HDM(headlight driver module) relay in the main fuse box located under the hood near the battery.
Posted on Jul 30, 2011
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