GM Service Manual Online
For 1990-2009 cars only

Electrical system schematics are located within their respective subsections. Because more than one electrical system is located in each subsection, each electrical systems schematics are further broken down into operating systems. The following table lists all electrical system schematics and the subsection in which they are located.

Electrical Schematic Locations

System Name

Section

Subsection

Air Antilock Brakes System Schematics

Brakes

Air Antilock Brake System

Air Brake System Schematics

Brakes

Air Brakes

Air Brake Warning System Schematics

Brakes

Air Brakes

ALC Suspension Schematics

Suspension

Automatic Level Control

Antilock Brake System Schematics

Brakes

Antilock Brake System

Audible Warnings Schematics

Body and Accessories

Instrument Panel, Gages and Console

Automatic Day-Night Mirrors Schematics

Body and Accessories

Stationary Windows

Automatic Transmission Controls Schematics

Transmission/Transaxle

Automatic Transmission

Automatic Transmission Shift Lock Control Schematics

Transmission/Transaxle

Automatic Transmission

Auxiliary Battery Schematics

Body and Accessories

Wiring Systems

Backup Lights Schematics

Body and Accessories

Lighting Systems

Body Control Module Schematics

Body and Accessories

Body Control System

Body Rear End Schematics

Body and Accessories

Body Rear End

Brake Booster Pump Schematics

Brakes

Hydraulic Brakes

Brake Warning System Schematics

Brakes

Hydraulic Brakes

Cellular Telephone Schematics

Body and Accessories

Cellular Communication

Cigar Lighter/Auxiliary Outlet Schematics

Body and Accessories

Wiring Systems

Collision Avoidance Schematics

Body and Accessories

Collision Repair

Column/Ignition Lock Schematics

Steering

Steering Wheel and Column

Column/Ignition Lock Schematics

Steering

Steering Wheel and Column

Cooling Fan Schematics

Engine

Engine Cooling

Cruise Control Schematics

Body and Accessories

Cruise Control

Data Link Connector (DLC) Schematics

Body and Accessories

Data Link Communications

Defogger Schematics

Body and Accessories

Stationary Windows

Differential Lock Schematics

Driveline/Axle

Rear Axle Controls

Door Control Module Schematics

Body and Accessories

Doors

Door Locks Schematics

Body and Accessories

Doors

Driver Information System Schematics

Body and Accessories

Instrument Panel, Gages and Console

Engine Controls Schematics

Engine

Engine Controls

Engine Exhaust Brake Schematics

Engine

Engine Exhaust

Exterior Lights Schematics

Body and Accessories

Lighting Systems

Fog Lights Schematics

Body and Accessories

Lighting Systems

Garage Door Opener Schematics

Body and Accessories

Garage Door Opener

Ground Distribution Schematics

Body and Accessories

Wiring Systems

Head Up Display Schematics

Body and Accessories

Instrument Panel, Gages and Console

Headlamp Washer System Schematics

Body and Accessories

Wipers/Washer Systems

Headlight Doors Schematics

Body and Accessories

Lighting Systems

Headlight Leveling Schematics

Body and Accessories

Lighting Systems

Headlights Daytime Running Lights (DRL) Schematics

Body and Accessories

Lighting Systems

Headlights Schematics

Body and Accessories

Lighting Systems

Headlights Twilight Sentinel/Daytime Running Lights (DRL) Schematics

Body and Accessories

Lighting Systems

Heated Seats Schematics

Body and Accessories

Seats

Heated Windshield Schematics

Body and Accessories

Stationary Windows

Horns Schematics

Body and Accessories

Horns

HVAC Air Delivery Schematics

HVAC

HVAC Systems - Manual

HVAC Air Delivery Schematics

HVAC

HVAC Systems - Automatic

HVAC Blower Control Schematics

HVAC

HVAC Systems - Manual

HVAC Blower Control Schematics

HVAC

HVAC Systems - Automatic

HVAC Compressor Control Schematics

HVAC

HVAC Systems - Manual

HVAC Compressor Control Schematics

HVAC

HVAC Systems - Automatic

HVAC Compressor/Condenser Fan Control Schematics

HVAC

HVAC Systems - Manual

HVAC Compressor/Condenser Fan Control Schematics

HVAC

HVAC Systems - Automatic

Instrument Cluster Schematics

Body and Accessories

Instrument Panel, Gages and Console

Interior Lights Dimming Schematics

Body and Accessories

Lighting Systems

Interior Lights Schematics

Body and Accessories

Lighting Systems

Keyless Entry Schematics

Body and Accessories

Keyless Entry

Lumbar Support Schematics

Body and Accessories

Seats

Manual Transmission Schematics

Transmission

Manual Transmission

Memory Seats Schematics

Body and Accessories

Seats

Navigation System Schematic

Body and Accessories

Instrument Panel, Gages and Console

On-Star Schematics

Body and Accessories

Cellular Communication

Outside Mirrors Schematics

Body and Accessories

Doors

Park Brake System Schematics

Brakes

Park Brake

Power Antenna Schematics

Body and Accessories

Entertainment

Power Distribution Schematics

Body and Accessories

Wiring Systems

Power Folding Top Schematics

Body and Accessories

Roof

Power Seats Schematics

Body and Accessories

Seats

Power Sliding Door (PSD) Schematics

Body and Accessories

Doors

Power Steering System Schematics

Steering

Power Steering System

Power Sunroof Schematics

Body and Accessories

Roof

Power Windows Schematics

Body and Accessories

Doors

Pulldown Systems Schematics

Body and Accessories

Body Rear End

Radiator Shutter Schematics

Engine

Engine Cooling

Radio/Audio System Schematics

Body and Accessories

Entertainment

Rear Sunshade Schematics

Body and Accessories

Stationary Windows

Release Systems Schematics

Body and Accessories

Body Rear End

Retained Accessory Power (RAP) Schematics

Body and Accessories

Retained Accessory Power

Seat Belt Schematics

Restraints

Seat Belts

SIR Schematics

Restraints

Supplemental Inflatable Restraint

SRS Schematics

Restraints

Supplemental Restrainst System

Starting and Charging Schematics

Engine

Engine Electrical

Steering Controls Schematics

Steering

Variable Effort Steering

Steering Wheel Controls Schematics

Body and Accessories

Entertainment

Suspension Controls Schematics

Suspension

Air Suspension

Suspension Controls Schematics

Suspension

Real Time Dampening - RTD

Suspension Controls Schematics

Suspension

Road Sensing Suspension - RSS

Suspension Controls Schematics

Suspension

Selectable Ride

Theft Deterrent System Schematics

Body and Accessories

Theft Deterrent

Tilt/Telescoping Steering Column Schematics

Steering

Steering Wheel and Column

Tire Pressure Monitoring System

Suspension

Tire Pressure Monitoring

Transfer Case Control Schematics

Driveline/Axle

Transfer Case

Two-Speed Rear Axle Schematics

Driveline/Axle

Rear Axle Controls

Upfitter Provision Schematics

Body and Accessories

Wiring Systems

Wiper/Washer System Schematics

Body and Accessories

Wipers/Washer Systems