GM Service Manual Online
For 1990-2009 cars only

Reference on Schematic

Section Number - Subsection Name

Ground Distribution Cell 14

8--Wiring Systems

Power Distribution Cell 10

8--Wiring Systems

Horns Cell 40

8--Horns

Audible Warnings Cell 76

8--Instrument Panel, Gauges and Console

Keyless Entry Cell 132

8--Keyless Entry