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

Grounds, Power, and References to DLC and Keyless Entry


Object Number: 676229  Size: FS
Master Electrical Component List
Body Control System Description and Operation
References to ABS, Audible Warnings, Body Rear End, Horns, HVAC, Hydralic Brakes, IP, RAP, Shift Lock, and Theft Deterrent
BATT RUNDOWN PROTECTION Relay, I/P BRP, and TRK, ROOF BRP Fuses
BATT RUNDOWN PROTECTION Relay, I/P BRP, and TRK, ROOF BRP Fuses
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses
A/C/CRUISE, A/C FAN, CRUISE, PCM/BCM/CLSTR, and PCM (CRANK) Fuses
CLSTR/BCM, DR LK, LEFT IP, LT HTD ST/BCM, and PWR MIR Fuses, RETAINED ACCSRY PWR BRKR Circuit Breaker, HEADLAMP, and RETAINED ACCSRY PWR Relays
A/C RLY (CMPR), AIR PMP RLY, BCM, CIG/AUX, EXT LTS, IGN SW, PCM, and WSW Fuses
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
ABS/PCM, SRS, STOP, and TURN SIGNAL Fuses
G203 (1 of 3)
G201 (1 of 2)
Keyless Entry Schematics
DLC Schematics
Figure 2:

References to ABS, Audible Warnings, Body Rear End, Horns, HVAC, Hydralic Brakes, IP, RAP, Shift Lock, and Theft Deterrent


Object Number: 676230  Size: FS
Master Electrical Component List
Body Control System Description and Operation
References to Lighting
Grounds, Power, and References to DLC and Keyless Entry
Decklid Release (w/Entrapment Protection)
Compressor Control
Shift Lock Control Schematics
Horns Schematics
Ground, Power, and RAP Relay
Brake Warning Schematics
Traction Control Switch
Theft Deterrent Schematics
Audible Warnings Schematics
Ground, Odometer/PRNDL, Power, and VSS
Figure 3:

References to Lighting


Object Number: 808818  Size: FS
Master Electrical Component List
Body Control System Description and Operation
References to Doors, Engine Electrical, and Lighting
References to ABS, Audible Warnings, Body Rear End, Horns, HVAC, Hydralic Brakes, IP, RAP, Shift Lock, and Theft Deterrent
Park Lamps (Impala)
Backup Lamps (w/o 9C1/9C3/9C6)
I/P
Roof Lighting
Courtesy Lamps Control, and I/P
Fog LIghts Schematics
Indicator, and Lamp Control
Figure 4:

References to Doors, Engine Electrical, and Lighting


Object Number: 808819  Size: FS
Master Electrical Component List
Body Control System Description and Operation
References to Lighting
Door Lock Actuators
Door Open Switches (Left)
Lock Switches
Courtesy Lamps Control, and I/P
Load Management