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

Power, Ground, Serial Data, Alarm, and Controls


Object Number: 2154414  Size: FS
Figure 2:

Sensors (UFR with UD7)


Object Number: 2154415  Size: FS
Figure 3:

Sensors (UFR Except UD7)


Object Number: 2154416  Size: FS