2006 Chevy Silverado Radio Wiring Diagram Image | Wiring Diagram ... 2006 Chevy Silverado Radio Wiring Diagram - 2001 Silverado Radio Wiring Harness Chevy 2500hd In 20042004 Chevy Radio Wiring Diagram - GM Specific Models. 2002 Cadillac STS I looked under the hood and popped the cover off the fuse box. Under the lid is a diagram of the fuses with labels. One of them (#24 on my model car) said "DRL" on it. I pulled that fuse and voila!.