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

Ground, Power, and Serial Data


Object Number: 1619553  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Subsystem References
Ignition Switch-ACCY/RUN/START and RUN and START Bus Bars, HVAC BLWR, IPC/BCM/PK3, PK3, and PRK LCK IGN Fuses
Ignition Switch-ACCY/RUN and RUN/START Bus Bars, AIRBAG MDL, AUTO OCCUPANT SEN, BCM, IGN1/IGN3, IGN MDL, and TCC SWTCH Fuses
Ignition Switch-ACCY/RUN and RUN/START Bus Bars, AIRBAG MDL, AUTO OCCUPANT SEN, BCM, IGN1/IGN3, IGN MDL, and TCC SWTCH Fuses
B+ Bus 1 of 2
DLC Schematics
Ignition Switch-ACCY/RUN/START and RUN and START Bus Bars, HVAC BLWR, IPC/BCM/PK3, PK3, and PRK LCK IGN Fuses
BATT 2, ELC CMPRSR, LGATE, PWR DR LCK, PWR MIR, PWR SEAT, and RR AUX PWR OUTLET Fuses
BATT 1, HAZRD LAMP, HUD, IPC/HVAC/SEC/RKE, IS LAMP, PK3, RDO and RDO AMP Fuses
06 B Van RAP Schematics
Defogger Schematics
G200
G201
G303-1 of 2
G200
Figure 2:

Subsystem References


Object Number: 1619555  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Body Rear End and Door References
Ground, Power, and Serial Data
A/T Shift Lock Control Schematics
Keyless Entry Schematics
Gages-LX9
Gages-LY7
Compressor Controls
Horns Schematics
Content Theft Deterrent
Enabling, Ground, and Power
Audible Warnings Schematics
DLC, Indicators, and Traction Control Switch-LX9
DLC, Indicators, and Traction Control Switch-LY7
Brake Warning System Schematics
Figure 3:

Body Rear End and Door References


Object Number: 1619556  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Lighting References
Subsystem References
Switches
Actuators
Body Rear End Schematics
Indicator
Body Rear End Schematics
Figure 4:

Lighting References


Object Number: 1619557  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Body Rear End and Door References
Dimming, Lamps, Relays
Indicator, Lamp Control
Fog Lights Schematics
Park Lamps
I/P Lighting, Lamp Control
Dimming Controls and Door, Roof, and Steering Wheel Lamps
Backup Lamps
Park Lamps
I/P Lighting, Lamp Control
Door and Liftgate Switches
Dimming Controls and Door, Roof, and Steering Wheel Lamps