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

Power Seat (without A45)


Object Number: 2063849  Size: FS
Figure 2:

Memory Seat Module Power, Ground, and Seat Adjuster Switches (A45)


Object Number: 2063853  Size: FS
Figure 3:

Memory Seat Controls (A45)


Object Number: 2063855  Size: FS
Figure 4:

Memory Seat Position Sensors and Motors


Object Number: 2063858  Size: FS