GM Service Manual Online
For 1990-2009 cars only

99 W-P SIR Schematic Reference Table

Reference on Schematic

Section Number - Subsection Name

Power Distribution, Cell 10

8 - Wiring Systems

Fuse Block Details, Cell 11

8 - Wiring Systems

Ground Distribution, Cell 14

8 - Wiring Systems

Data Link Connector, Cell 50

8 - Data Link Communications

Instrument Cluster, Cell 81

8 - Instrument Panel, Gauges and Console