GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Backup Lamps Cell 112

8 - Lighting Systems

Body Control Module (BCM) Cell 51

8 - Body Control System

Brake/Transmission Shift Interlock (BTSI) Cell 138

2 - Steering Wheel and Column

Cruise Control Cell 34

8 - Cruise Control

Exterior Lights Cell 110

8 - Lighting Systems

Fog Lamps Cell 103

8 - Lighting Systems

Ground Distribution Cell 14

8 - Wiring Systems

Headlights DRL Cell 102

8 - Lighting Systems

Interior Lights Dimming Cell 117

8 - Lighting Systems

Power Distribution Cell 10

8 - Wiring Systems

Transfer Case Controls Cell 38

4 - Transfer Case