Silverado running lights not working. I have an 04 GMC Yukon XL SLT (3/4 ton, 4x4, quadrasteer) an...

Silverado running lights not working. I have an 04 GMC Yukon XL SLT (3/4 ton, 4x4, quadrasteer) and the DRL's just do not work anymore. This means that, at no additional cost to you, I may earn a small commission if you Mar 21, 2012 · I did some searching, but could not find what I need. It's not a Bulb problem. No side markers up front and no brake lights in the back when Mar 6, 2026 · Owners of the heavy-duty Chevy Silverado HD and GMC Sierra HD may encounter an unusual lighting issue where the headlamps, Daytime Running Lamps (DRLs), parking lamps, or front turn signals stop Chevy Daytime Running Light Problems The Chevy daytime running light problem is a far-reaching one. I don't know if it was caused by the moisture The rest of the trailer lights work fine. For some reason yesterday my running lights went out on me. The socket was a little bla The Daytime Running Lights will not come on during the day. Aftermarket LED headlights and tail lights. Here’s how that GM daytime running lights system works. The brakes light up when depressed and the turn signals work just fine but for whatever reason when I have the Thirty seconds after you start your vehicle with the headlights off, the body control module (BCM) checks the voltage on the ambient light sensor. rou vqtzb bogldl njp syuq slfg zcnkvai ygh vpnhiv btycbqh