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

Power and Ground Circuits


Object Number: 715894  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Body Control Module Inputs and Outputs (1 of 3)
Defogger
Garage Door Opener
Content Theft Deterrent (CTD)
G400
IGN 0 BODY Fuse
WIPERS, ACC, and CLUSTER Fuses
IGN 0 BODY Fuse
BODY 3 and INADVERT Fuses
COMFORT Fuses
Figure 2:

Body Control Module Inputs and Outputs (1 of 3)


Object Number: 715897  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Body Control Module Inputs and Outputs (2 of 3)
Power and Ground Circuits
BODY 3 and INADVERT Fuses
BODY 3 and INADVERT Fuses
Gages and MIL
Horns
Power, Ground, and Class 2 (1 of 2)
RLY IGN 1 Fuse
LAMPS and IGN 1 Fuses
LAMPS and IGN 1 Fuses
MIRROR, DRL, and FOG Fuses
Battery Feeds
Figure 3:

Body Control Module Inputs and Outputs (2 of 3)


Object Number: 715901  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Body Control Module Inputs and Outputs (3 of 3)
Body Control Module Inputs and Outputs (1 of 3)
Door Lock Switches
Door Lock Switches
Door Lock Cylinder Switches and Actuators
Door Lock Actuators
Daytime Running Lamps
Headlamps
Headlamp Switch and Park Lamp Control
Headlamp Switch and Headlamp Control
Fog Lamps
Headlamp Switch and Park Lamp Control
Footwell Courtesy, IP Compartment, and Rear Compartment Lamps
Figure 4:

Body Control Module Inputs and Outputs (3 of 3)


Object Number: 715906  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Body Control Module Inputs and Outputs (2 of 3)
Automatic Transmission Shift Lock Control
Door Lock Cylinder Switches and Actuators
Pulldown System
BCM Inputs
Release Systems
Backup Lamps
Power and Ground Circuits
Relay Circuits