GM Service Manual Online
For 1990-2009 cars only

Ground, Power, Signals, and References to Cellular Communication and Lighting

Ground, Power, Signals, and References to Cellular Communications and Lighting


Object Number: 1255396  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Speakers - U79 or UX7
Fuse Block - Underhood Fuses: IPBATT1, IPBATT1A, BCM Fuses: (BCM (PWR), DASH, Lighter, Onstar, Park, PWR Outlet, PWR Windows, Radio (ACC), Radio (BATT1), Sunroof, and Wiper Sw
Interior Lights Dimming Schematics
OnStar Schematics
Radio to Amplifier to Speakers - UZ6
G201
G201