GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power and Grounds


Object Number: 484077  Size: FS
Instrument Panel, Gages, and Console Component Views
Audible Warnings Circuit Description
Audible Warnings Inputs
Fuse Block and Rear Lights
Fuse Block, BCM, Cluster, Radio and DLC
Fuse Block, UAWJB, PCM and BCM
Fuse Block, Outside Rearview Mirrors and PCM
Fuse Block, UAWJB, PCM and BCM
Handling ESD Sensitive Parts Notice
DLC Schematic
G203
Handling ESD Sensitive Parts Notice
Figure 2:

Audible Warnings Inputs


Object Number: 484080  Size: FS
Instrument Panel, Gages, and Console Component Views
Audible Warnings Circuit Description
Power and Grounds
UAWJB, PNP Switch, PCM, Generator, Headlamp Module and Switch
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
G203
Interior Lights Door Inputs
G301 (1 of 3)