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

Inputs


Object Number: 1784595  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Outputs
Rear Compartment Lid Release
Door Switches
G401
G301 (2 of 2)
Figure 2:

Outputs


Object Number: 1784597  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Inputs
BCM Fuses - DR LCK, ECM/TCM, INT LIGHT, PWR WNDW, RDO, SDM, S ROOF
Inside Rearview Mirror Schematic
Onstar Schematics
G401