GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Data Link Connector Cell 50

8A -- Electrical Diagnosis

Engine Controls Cell 20

6 -- Engine Controls -- 2.2L

Engine Controls Cell 21

6 -- Engine Controls -- 4.3L

Ground Distribution Cell 14

8A -- Electrical Diagnosis

Power Distribution Cell 10

8A -- Electrical Diagnosis

Radio Cell 150

8A -- Electrical Diagnosis

Transfer Case Controls Cell 38

4 -- Transfer Case