GM Service Manual Online
For 1990-2009 cars only

VIU and VCU Signals

Keypad and Mic Signals


Object Number: 661071  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
VIU Output Signals
Power and Ground
Inside Rearview Mirror Schematics
G400 (1 of 2)
G400 (1 of 2)