GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Data Link Connectot (DLC) = Cell 50

8-Wiring Systems

EGR Valve = Cell 20

6-Engine Controls

Engine Data Sensors =Cell 20

6-Engine Controls

Fuel Tank = Cell 20

6-Engine Controls

Fuse Block Details = Cell 11

8-Wiring Systems

Ground Distribution = Cell 14

8-Wiring Systems

Instrument Panel = Cell 81

8-Instrumentation/Driver Information

Power Distribution = Cell 10

8-Wiring Systems

Sensors = Cell 20

6-Engine Controls