GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Backup Lights - Cell 112

8 - Lighting Systems

Cruise Control - Cell 34

8 - Cruise Control

Exterior Lights - Cell 110

8 - Lighting Systems

Ground Distribution - Cell 14

8 - Wiring Systems

Power Distribution - Cell 10

8 - Wiring Systems

Transfer Case Controls - Cell 38

4 - Transfer Case