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

Power and Ground


Object Number: 1350141  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References - 1 of 3
B+ Bus - Underhood Fuse Block
ACCY/RUN and RUN/START Bus Bars
B+ Bus - Rear Fuse Block
ACCY/RUN and RUN/START Bus Bars
ACCY/RUN/START, RUN, and START Bus Bars
ACCY/RUN/START, RUN, and START Bus Bars
G302 - 2 of 2
G302 - 1 of 2, G303, and G304
04 S/T Isuzu Brake Warning System Schematics
04 S/T Utility Retained Accessory Power (RAP) Schematics
Steering Wheel Controls
Steering Wheel Controls
04 S/T Isuzu Horns Schematics
04 S/T Isuzu Audible Warnings Schematics
Figure 2:

Controlled/Monitored Subsystem References - 1 of 3


Object Number: 1350145  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References - 2 of 3
Power and Ground
Rear Wiper/Washer Controls - CD6
Rear Wiper/Washer Controls - CD6
Rear Doors
Left
Right
Figure 3:

Controlled/Monitored Subsystem References - 2 of 3


Object Number: 1350150  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References - 3 of 3
Controlled/Monitored Subsystem References - 1 of 3
Headlamp Switch
Headlamps
04 S/T Isuzu Fog Lights Schematics
Courtesy Lamp Supply - 2 of 2
I/P Dimming Supply - 1 of 2
Headlamp Switch
Park Lamp Relay
Backup Lamps
Interior Lamps Controls
04 S/T Isuzu Fog Lights Schematics
Headlamp Switch
Figure 4:

Controlled/Monitored Subsystem References - 3 of 3


Object Number: 1350152  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References - 2 of 3
Ambient Light/Sunload Sensors
Ambient Light/Sunload Sensors
Headlamps
Interior Lamps Controls
Courtesy Lamp Supply - 1 of 2
Outside Moisture Sensor and Front Wiper/Washer Motor
Door Switch Inputs
Right Rear Door, Left Rear Similar
Theft Deterrent System Schematics