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

BCM Power, Ground and DLC


Object Number: 1759666  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Inputs and Outputs 1 of 4
Rear Fuse Block B+
Rear Fuse Block B+
High Speed Serial Data
Power, Ground and Low Speed GMLAN
High Speed Serial Data, Wake Up
G101, G110, G111, G114, G115, G302, G303, G306, G307
G304
Figure 2:

BCM Inputs and Outputs 1 of 4


Object Number: 1759667  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Inputs and Outputs 2 of 4
BCM Power, Ground and DLC
Shift Lock Control Schematics
Hazard, Headlamp, Driver Information Display Switches, Ashtray, HVAC Control Module, Radio, Clock
Brake Pedal Position, Traction Control Switch, Data Link Communications
Rear Fuse Block - LT TRN/SIG, RR TRN/SIG, CHMSL/BCK-UP, INT LAMPS, SWTCH DM, HVAC BLWR Fuses, DR MDL/PWR WNDW Circuit Breaker
Rear Fuse Block - TRUNK RELSE Relay, AUX PWR, LTR/CNSL, CNSTR VENT, RVC SENSE, ELC MDL, MRTD MDL, TRUNK RELSE Fuses
Rear Fuse Block - RAP Relay, CTSY/RF TRN, S/ROOF, SHFTR SOL, RAP, REAR SEAT LUM Fuses
Rear Fuse Block - IGN SWTCH, STR/WHL ILLUM Fuses
ON/OFF Switch
Charging Schematic
Figure 3:

BCM Inputs and Outputs 2 of 4


Object Number: 1759674  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Inputs and Outputs 3 of 4
BCM Inputs and Outputs 1 of 4
Cornering Lamps
Fog Lamps Schematics
Stop/Rear Turn Signal Lamps
Front Park, Marker, Position Lamps
Front Turn Signal/Hazard Lamps
Stop/Rear Turn Signal Lamps
Vanity Mirror, Rear Compartment Courtesy, I/P Compartment, Overhead Console
Trunk Release and Rear Compartment Lid Latch
Content Theft Deterrent
Trunk Release and Rear Compartment Lid Latch
Trunk Release and Rear Compartment Lid Latch
Center High-Mounted Stop Lamp
Fog Lamps Schematics
Figure 4:

BCM Inputs and Outputs 3 of 4


Object Number: 1759675  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
BCM Inputs and Outputs 4 of 4
BCM Inputs and Outputs 2 of 4
Door Lock, Unlock Relays
Door Release Switch - V4U
Outside Moisture Sensor and Windshield Washer Solvent Heater
Door Latch Assemblies and Hood Ajar Switch
Wiper System Power and Ground
Horn Schematics
Figure 5:

BCM Inputs and Outputs 4 of 4


Object Number: 1759676  Size: FS
Body Control System Description and Operation
BCM Inputs and Outputs 3 of 4
Headlamp Switch
Rear Fuse Block - RUN Relay, REAR HVAC, HTD STR, HTD/COOL/IGN3, BCM LOGIC Fuses
Vanity Mirror, Rear Compartment Courtesy, I/P Compartment, Overhead Console
Rear Door Latch Assemblies - B9Q
Hydraulic Brake Schematics
Center High-Mounted Stop Lamp
Front Turn Signal/Hazard Lamps
Headlamps