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

Power, Ground and References


Object Number: 1457715  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Theft Deterrent, Keyless Entry, Body Rear End, Horns, ABS, Brake Warning, Defogger, Heated Seats, and Wiper/Washer System References
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
BATT MAIN 2, HDT SEAT, PWR MIRS, TURN/HAZ, DR LK/TRUN,, SUNROOF Fuses, PWR SEAT, PWR WDO Circuit Breakers, and RAP Relay
BATT MAIN 2, HDT SEAT, PWR MIRS, TURN/HAZ, DR LK/TRUN,, SUNROOF Fuses, PWR SEAT, PWR WDO Circuit Breakers, and RAP Relay
BATT MAIN 2, HDT SEAT, PWR MIRS, TURN/HAZ, DR LK/TRUN,, SUNROOF Fuses, PWR SEAT, PWR WDO Circuit Breakers, and RAP Relay
Fuse Block Underhood Bussing
BATT MAIN 3, BATT MAIN 4, ABS MTR, ABS SOL, PCM/ETC, AIR PUMP, WASHER RVC, and AUX PWR Fuses
Fuse Block - Underhood Bussing
BATT 3, BATT 4, ABS MTR, ABS SOL, ECM/TCM, WSW/RVC, and AUX PWR Fuses
LS4
Data Link Communication
Retained Accessory Power
Ignition Switch
Generator
LS4
Audible Warning
Starter
Starter (LS4)
ECM Power, Ground, MIL, and Serial Data
LS4
PCM Power, Ground, MIL, and Serial Data
Shift Lock Control
Cruise Control
Audible Warning
G102, G115 and G201
G200
G301
G101, G112 (L26/L32), and G113 (L26/L32)
G101, G112 (L26/L32), and G113 (L26/L32)
Figure 2:

Theft Deterrent, Keyless Entry, Body Rear End, Horns, ABS, Brake Warning, Defogger, Heated Seats and Wiper/Washer System References


Object Number: 1457717  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
DoorLock/Indicator and Lighting System References - 1 of 2
Body Control Power, Ground, and References
Content Theft Deterrent (CTD) System
Vehicle Theft Deterrent (VTD) System
Keyless Entry Schematics
Body Rear End Schematics
Horn Schematics
Indicator, ABS, Stability, and Traction Controls
Brake Warning
Defogger Schematics
Wiper/Washer System Schematics
Heat Controls - Driver
LS4
Headlights/Automatic Head Lamps Schematics
Figure 3:

Door Lock/Indicator and Lighting Systems References 1 of 2


Object Number: 1457720  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Lighting System References - 2 of 2
Theft Deterrent, Keyless Entry, Body Rear End, Horns, ABS, Brake Warning, Defogger, Heated Seats, and Wiper/Washer System References
Door Ajar Indicators
Door Lock Switches
Door Lock Actuators
Headlights/Automatic Head Lamps Schematics
Headlights/Automatic Head Lamps Schematics
Fog Lamps Schematics
Interior Lamp Switch, I/P and Driver Door Lighting
Figure 4:

Lighting Systems References 2 of 2


Object Number: 1457722  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
DoorLock/Indicator and Lighting System References - 1 of 2
Park Lamps
Turn Signal, Hazard, and Stop Lamps Inputs
Turn Signal, Hazard and Stop Lamps Outputs
Electronic Throttle Controls
Backup and LIcense Lamps
Interior Lights Switches
Lamps
MAF/IAT Sensor, Stop Lamp Switch Signal and VSS