GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Service Category Type Number - Service Category

Antilock Brakes - Cell 44

5 - ABS System

Automatic Transmission Controls - Cell 39

7 - Automatic Transmission

Cruise Control - Cell 34

8 - DLC

Data Link Connector (DLC) - Cell 50

8 - Cruise Control

Ground Distribution - Cell 14

8 - Wiring System

Instrument Panel - Cell 81

8 - Instrument Panel

Power Distribution - Cell 10

8 - Wiring System

Sensors - Cell 21

6 - Engine Controls

Transfer Case - Cell 38

4 - Transfer Case