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

Power Seat Controls without Memory


Object Number: 2082128  Size: FS
Figure 2:

Power Seat Controls with Memory - Power, Ground, and Switch Conrols


Object Number: 2082131  Size: FS
Figure 3:

Power Seat Controls with Memory - Motors and Position Sensors


Object Number: 2082133  Size: FS
Figure 4:

Lumbar Controls - without Memory


Object Number: 2082135  Size: FS
Figure 5:

Lumbar Controls - with Memory


Object Number: 2082137  Size: FS
Figure 6:

Memory Controls


Object Number: 2082139  Size: FS