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

Power, Ground, DLC, Indicator and Front End Sensors


Object Number: 2062660  Size: FS
Figure 2:

Left Side Modules and Sensors


Object Number: 2062667  Size: FS
Figure 3:

Right Side Modules and Sensors


Object Number: 2062701  Size: FS
Figure 4:

Passenger Presense System (PPS)


Object Number: 2062707  Size: FS