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

Ground, Power, and References to DLC and Power Distribution


Object Number: 1636915  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
ABS MOTOR, AC/DC INVRTR, AUX/PWR 12VDC, FRT WSW, and PCM ETC Fuses
CHMSL BCK/UP, PRK LAMP, PSD, and RFA MDLS Fuses
BATT MAIN 2, HTD/SEATS, LH-PSD, PWR MIR, RH-PSD, Sit-N-Lift Seat, and STOP/TRN Fuses, PWR SEATS and Sit-N-Lift Circuit Breaker
BATT MAIN 3, ELC, and TRUNK/LKS Fuses
Data Link Connector (DLC) Schematics
Ignition Switch
G201
G301
Figure 2:

References to ABS, Brakes, Cruise Control, Horns, RAP, Rear Park Assist, Shift Lock, Stationary Windows, and Wipers/Washer System


Object Number: 1636916  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
References to ABS, Cruise Control, Engine Controls, HVAC-Manual, and Lighting
Ground, Power, and References to DLC and Power Distribution
Cruise Control Schematics
Horns Schematics
Brake Warning System Schematics
Cruise Control Schematics
Driver Inputs, Indicators
Automatic Transmission Shift Lock Control Schematics
Backup Lamps
Defogger Schematics
Automatic Transmission Shift Lock Control Schematics
Retained Accessory Power (RAP) Schematics
Object Detection Schematics
Figure 3:

References to ABS, Cruise Control, Engine Controls, HVAC - Manual, and Lighting


Object Number: 1636917  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
References to Doors, Lighting, and Theft Deterrent
References to ABS, Brakes, Cruise Control, Horns, RAP, Rear Park Assist, Shift Lock, Stationary Windows, and Wipers/Washer System
Headlights
Daytime Running Lights
Park, Marker, and License Lamps
Backup Lamps
Stop/Turn Signal Lamps
Driver Inputs, Indicators
Engine Data Sensors - Throttle Actuator Controls
Cruise Control Schematics
Module Power, Ground, Serial Data, and MIL
HVAC Schematics - Front Blower Control, Ground, and Power
Backup Lamps
Control, I/P and Passenger Door Lamps
Figure 4:

References to Doors, Lighting, and Theft Deterrent


Object Number: 1636918  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
References to Audible Warnings, Engine Electrical, HVAC-Manual, Keyless Entry, Seats, and Theft Deterrent
References to ABS, Cruise Control, Engine Controls, HVAC-Manual, and Lighting
Switches
Content Theft Deterrent - Ajar Switches
Lamps
Control, I/P and Passenger Door Lamps
Switches
Actuators
Right Door Controls
Figure 5:

References to Audible Warnings, Engine Electrical, HVAC - Manual, Keyless Entry, Seats, and Theft Deterrent


Object Number: 1636919  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
References to Doors, Lighting, and Theft Deterrent
Heated Seat
Heated Seat
Vehicle Theft Deterrent
Content Theft Deterrent - Arm, Disarm, and Warning
Keyless Entry Schematics
HVAC Schematics - Front Blower Control, Ground, and Power
Content Theft Deterrent - Ajar Switches
Audible Warnings Schematics
Starting
Charging