GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Cruise Control Cell - 34

8-Cruise Control

Ground Distribution Cell - 14

8-Wiring Systems

Power Distribution Cell - 10

8-Wiring Systems

Powertrain Control Module Cell - 21

6-Engine Controls

Selectable 4WD Indicator Cell - 38

7-Transmission/TransAxle

Vehicle Control Module Cell - 20

6-Engine Controls