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

Power Seats


Object Number: 298032  Size: MF
(1)Power Seat Harness
(2)Power Seat Connector
(1)Power Seat Harness
(3)S332
(4)S323
Figure 2:

Power Seat


Object Number: 298031  Size: MF
(1)Front Tilt Seat Motor
(2)Seat Adjuster Switch
(3)Forward/Rearward Seat Motor
(4)C306 (Left), C307 (Right)
(5)Rear Tilt Seat Motor