Question about GMC Cars & Trucks
DRL stopped working months ago,before worked fine.
On some cars there is a relay called DRL Relay. This can go problematic.
Posted on Apr 11, 2014
Check to make sure your parking brake is not partially engaged. If the parking brake is engaged even to one click off from the released position the DRL module will be disengaged. Also there may be a problem with the parking brake position sensor which is responsible for determining if the parking brake is partially engaged.
Posted on Nov 02, 2008
99 - 04 grand am.
I had the "service vehicle soon" light come twice with in 1 year. First the heald light bulbs were gone. Replaced the head light bulbs and after 2 starts the "service vehicle soon" light was gone.
The second time the DRL - #194 amber bulbs were gone. Replaced these and the "service vehicle soon" light was gone after 2 starts. The DRLs are housed in the headlamp housing, the tiny bulbs beside the head light.
Posted on Nov 24, 2008
SOURCE: DRL-1998 Cavalier Z24
Check your DRL relay that is located in the fuse box. Also check the connector under the battery box for corrosion. (Not a smart place to put a connector) GM really messed up with the wiring on the 98-00 cavaliers headlights.
Posted on Nov 01, 2008
Most DRL's are controlled by a relay. The relay malfunctions after a while. Need to go to the dealer and purchase a DRL relay. Once you see what it looks like open hood and match it to the bad one, then replace. If you can not locate it the library has mechanical books for you make and model to look up location of the drl relay.
Posted on Jan 19, 2009
Check the brake light switch should be a orange wire with 12v then a white wire with 12v when the pedal is pressed.If htat cks good then ck the hazard switch by moving it up and down and wiggeling the knob with the brake pedal pressed if they start working then your multifunction switch is bad and needs to be replaced.
Posted on Feb 20, 2010
Testimonial: "We check and you were right on the money. It's the hazard switch carrier. Thanks for you help."
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