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

BCM Module Power and Ground


Object Number: 1749147  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Controlled/Monitored Subsystem References - 1 of 3
B+ BUS - Underhood Fuse Block - 1 of 2
B+ BUS - Underhood Fuse Block - 2 of 2
G104, G105, and G107
B+ BUS - Underhood Fuse Block - 2 of 2
AIR SOL and PCM I Fuses
BCK/UP, BTSI, IGN E, and TRLR BCK/UP Fuses
AIR PUMP, EAP, ECM, PCM B, TBC I, and TCM CNSTR Fuses
G104, G105, and G107
AIR SOL and PCM I Fuses
AIR SOL and PCM I Fuses
BCK/UP, BTSI, IGN E, and TRLR BCK/UP Fuses
G302 - 1 of 2, G303, and G304
G302 - 2 of 2, and G306
B+ BUS - Rear Fuse Block
Ignition Switch - ACCY/RUN, RUN/START Bus Bars, and IGNB1 Fuse
Ignition Switch - ACCY/RUN/START, RUN, START Bus Bars, and IGNA1 Fuse
Ignition Switch - ACCY/RUN/START, RUN, START Bus Bars, and IGNA1 Fuse
Figure 2:

BCM Controlled/Monitored Subsystem References - 1 of 3


Object Number: 1749149  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Controlled/Monitored Subsystem References - 2 of 3
BCM Module Power and Ground
Hydraulic Brake Schematics
Audible Warning Schematics
Headlamps (w/TT6)
Rear Wiper/Washer Controls
Rear Doors
Power Windows - Left
Power Windows - Right
Figure 3:

BCM Controlled/Monitored Subsystem References - 2 of 3


Object Number: 1749150  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Controlled/Monitored Subsystem References - 3 of 3
BCM Controlled/Monitored Subsystem References - 1 of 3
Headlamps (w/TT6)
Headlamps (w/o TT6)
Fog Light Schematics
I/P Dimming Supply - 1 of 2
Headlamp Switch
Park Lamp Relay
Backup Lamps
Interior Lamps Controls
Fog Light Schematics
Headlamp Switch
Figure 4:

BCM Controlled/Monitored Subsystem References - 3 of 3


Object Number: 1749151  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Controlled/Monitored Subsystem References - 2 of 3
Ambient Light/Sunload Sensor
Windshield Wiper/Washer Motors
Door Switch and Liftgate Inputs
SP205
Sunroof Schematics
Horn Schematics
Steering Wheel Secondary/Configurable Control Schematics
Headlamp Washer - CE4
Headlamps (w/TT6)
Headlamps (w/o TT6)
Ambient Light/Sunload Sensor
Interior Lamps Controls
I/P Dimming Supply - 2 of 2