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

Power and Ground


Object Number: 509127  Size: FS
Ground Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
OBD II Symbol Description Notice
Ignition System Controls
Vehicle Control Module Description
Engine Controls Components
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Figure 2:

Ignition System Controls


Object Number: 350752  Size: FS
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Enhanced Ignition System Description
Engine Controls Components
Fuel Delivery
Power and Ground
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Handling ESD Sensitive Parts Notice
Figure 3:

Fuel Delivery


Object Number: 509469  Size: FS
Power Distribution Schematics
OBD II Symbol Description Notice
Ignition System Controls
Fuel Injection Controls
Central Sequential Duel Injection Fuel System Description
Engine Controls Components
Power Distribution Schematics
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Figure 4:

Fuel Injection Controls


Object Number: 350750  Size: FS
Power Distribution Schematics
Power Distribution Schematics
VCM Connector End Views
Handling ESD Sensitive Parts Notice
OBD II Symbol Description Notice
Fuel Delivery
Fuel Metering System Component Description
Engine Controls Components
Fuel Mixture Input Controls
Figure 5:

Fuel Mixture Input Controls


Object Number: 509565  Size: FS
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
OBD II Symbol Description Notice
Fuel Injection Controls
Emission Controls
Handling ESD Sensitive Parts Notice
Information Sensors/Switches Description
Engine Controls Components
Automatic Transmission Controls Schematics
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Figure 6:

Emission Controls


Object Number: 350748  Size: FS
Engine Controls Schematic References
Power Distribution Schematics
Power Distribution Schematics
Fuel Mixture Input Controls
Oxygen Sensors
Exhaust Gas Recirculation (EGR) System Description
Engine Controls Components
OBD II Symbol Description Notice
VCM Connector End Views
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 7:

Oxygen Sensors


Object Number: 350746  Size: FS
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
VCM Connector End Views
OBD II Symbol Description Notice
Information Sensors/Switches Description
Speed & Cruise Controls
Emission Controls
Engine Controls Components
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 8:

Speed & Cruise Controls


Object Number: 350739  Size: FS
Oxygen Sensors
Engine Controls Components
Transmission Shift Controls
Information Sensors/Switches Description
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Ground Distribution Schematics
Figure 9:

Transmission Shift Controls


Object Number: 350720  Size: FS
Antilock Brake System Schematics
Power Distribution Schematics
Engine Controls Components
Information Sensors/Switches Description
Transmission Switch Input Controls
Speed & Cruise Controls
Power Distribution Schematics
Power Distribution Schematics
Handling ESD Sensitive Parts Notice
OBD II Symbol Description Notice
VCM Connector End Views
Figure 10:

Transmission Switch Input Controls


Object Number: 350753  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Compressor Controls
Transmission Shift Controls
Handling ESD Sensitive Parts Notice
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Figure 11:

A/C Compressor Controls


Object Number: 350745  Size: FS
Engine Controls Components
Information Sensors/Switches Description
Fuel Controls
Transmission Switch Input Controls
Engine Controls Schematic Icons
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Power Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Ground Distribution Schematics
Handling ESD Sensitive Parts Notice
VCM Connector End Views
Figure 12:

Fuel Controls


Object Number: 350744  Size: FS
Engine Controls Components
Information Sensors/Switches Description
A/C Compressor Controls
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
VCM Connector End Views