GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Ignition Power Modes - RUN


Object Number: 1875275  Size: FS
Master Electrical Component List
Power Mode Description and Operation
Control Module References
Power Modes - ACCY and RAP
Figure 2:

Power Modes - ACCY and RAP


Object Number: 1875278  Size: FS
Master Electrical Component List
Retained Accessory Power (RAP) Description and Operation
Control Module References
Ignition Power Modes - RUN