GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Antilock Brake System Cell 44

5--Brakes

Body Control Module Cell 51

8--Body and Accessories

Data Link Connector Cell 50

8--Body and Accessories

Powertrain Control Module (PCM) Cell 20

6--Engine

Power Distribution Cell 10

8--Body and Accessories