GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Automatic Transmission Cell 20

6 - Engine Controls - 2.2L

Automatic Transmission Cell 21

6 - Engine Controls - 4.3L

Automatic Transmission Control Assembly Cell 138

2 - Steering Wheel and Column

Compass/Temperature Console Cell 86

8 - Instrument Panel, Gauges and Console

Cruise Control Module Cell 34

8 - Cruise Control

Data Link Connector Cell 50

8 - Wiring Systems

Electronic Brake Control Module Cell 44

5 - Antilock Brakes

Engine Oil Pressure Gauge Sensor Cell 21

6 - Engine Controls - 4.3L

Front Axle Switch Cell 38

4 - Transfer Case

Fuel Pump Relay Cell 20

6 - Engine Controls - 2.2L

Fuel Pump Relay Cell 21

6 - Engine Controls - 4.3L

Ground Distribution Cell 14

8 - Wiring Systems

Heated Oxygen Sensor, LH Front (Bank 1, Sensor 1) Cell 21

6 - Engine Controls - 4.3L

Instrument Cluster Cell 81

8 - Instrument Panel, Gauges and Console

Power Distribution Cell 10

8 - Wiring Systems

Radio Cell 150

8 - Entertainment

Sensor Ground Cell 21

6 - Engine Controls - 4.3L

Transfer Case Control Module (TCCM) (NP1) Cell 38

4 - Transfer Case

Transfer Case Control Module (TCCM) (NP4) Cell 38

4 - Transfer Case

Transfer Case Select Switch Cell 38

4 - Transfer Case

Transfer Case Speed Sensor, Front Cell 38

4 - Transfer Case

Transfer Case Speed Sensor, RH RR Cell 38

4 - Transfer Case

Trip Console Cell 86

8 - Instrument Panel, Gauges and Console

Truck Body Control Module Cell 51

8 - Body Control System

VSS Shield Ground Cell 20

6 - Engine Controls - 2.2L

VSS Shield Ground Cell 21

6 - Engine Controls - 4.3L