Having problems with your 1996 GMC Yukon ?
1996 GMC Yudon 4 door 4WD Daytime Running Lights (DRL) not working fuse is fine in dashboard I found this solution: 1996-99 chevy trucks.There is a diode, located under the dash between the steering wheel and the radio, fastenen to the round dash bar. The bolt that holds it on, threads into the top of the bar, it is near impossible to get at with a wrench. It is a finned block of (usaully black) aluminum about 2 inches squared 3 inches long. I found a easy way to get it out. Looking up you will
Would check the relays first,and there is a DRL control module.It looks like a circuit board and not sure the location.
Repair Help & Product Troubleshooting for 1996 GMC Yukon
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