GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Service Category

Anti-Lock Brakes - Cell 44

5 - ABS Traction Control

Exterior Lights - Cell 110

8 - Lighting Systems

Ground Distribution - Cell 14

8 - Wiring Systems

Engine Controls - Cell 21 (Diesel)

6 - Engine Controls

Engine Controls - Cell 20 (Gas)

6 - Engine Controls

Power Distribution - Cell 10

8 - Wiring Systems