GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Automatic Transmission Cell 21

6 - Engine Controls - 4.3L

Automatic Transmission Controller Cell 138

2 - Steering Wheel and Column

Camshaft Position (CMP) Sensor Cell 21

6 - Engine Controls - 4.3L

Cigar Lighter Cell 19

8 - Wiring Systems

Cruise Control Module Cell 34

8 - Cruise Control

Data Link Connector (DLC) Cell 50

8 - Data Link Communications

Electronic Brake Control Module Cell 44

5 - Antilock Brake System

EVAP Valves Cell 21

6 - Engine Controls - 4.3L

Exhaust Gas Recirculation (EGR) Valve Cell 21

6 - Engine Controls - 4.3L

Fuel Level Sensor Cell 21

6 - Engine Controls - 4.3L

Fuel Tank Pressure Sensor Cell 21

6 - Engine Controls - 4.3L

Ground Distribution Cell 14

8 - Wiring Systems

Heated Oxygen Sensors Cell 21

6 - Engine Controls - 4.3L

HVAC Blower Controls: Manual Cell 63

1 - HVAC Systems with A/C - Manual

HVAC Compressor Controls: Manual Cell 64

1 - HVAC Systems with A/C - Manual

Instrument Cluster Cell 81

8 - Instrument Panel, Gauges and Console

Mass Air Flow (MAF) Sensor Cell 21

6 - Engine Controls - 4.3L

Power Distribution Cell 10

8 - Wiring Systems

Radio/Audio Cell 150

8 - Entertainment

Sensor 5 Volt Reference Cell 21

6 - Engine Controls - 4.3L

Sensor Ground Cell 21

6 - Engine Controls - 4.3L

Transfer Case Controls Cell 38

4 - Transfer Case

Vehicle Control Module Cell 21

6 - Engine Controls - 4.3L

VSS Shield Ground Cell 21

6 - Engine Controls - 4.3L