GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Body Control Module (BCM) Cell 51

8 - Body Control System

Cruise Control Cell 34

8 - Cruise Control

Data Link Connector (DLC) Cell 50

8 - Data Link Communications

Engine Controls Cell 20

6 - Engine Controls - 2.2L

Engine Controls Cell 21

6 - Engine Controls - 4.3L

Exterior Lights Cell 110

8 - Lighting Systems

Ground Distribution Cell 14

8 - Wiring Systems

Power Distribution Cell 10

8 - Wiring Systems

Radio/Audio Systems Cell 150

8 - Entertainment