GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Data Link Connector Cell 50

8 -- Wiring Systems

Ground Distribution Cell 14

8 -- Wiring Systems

Lumbar Support Cell 142

8 -- Seats

Memory Seats Cell 141

8 -- Seats

Power Distribution Cell 10

8 -- Wiring Systems

Power Seats Cell 140

8 -- Seats

Tilt/Telescoping Steering Column Cell 49

2 -- Steering Wheel and Column-Tilt and Telescoping