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

Power Seat Subsystem


Object Number: 500475  Size: LF
(1)Seat Belt Switch-Left (Driver Seat)
(2)Heated Seat Cushion Element Connector (w/ KA1)
(3)Heated Seat Back Element Connector (w/ KA1)
(4)Heated Seat Switch (Impala)
(5)Seat Adjuster Switch
(6)Manual Seat Recliner Lever
(7)C311 (C312 Similar)
(8)Seat Horizontal Motor
(9)Seat Rear Vertical Motor
(10)Seat Front Vertical Motor
(11)Heated Seat Relay
Figure 2:

Floor Console (Monte Carlo)


Object Number: 571267  Size: LF
(1)Heated Seat Switch-Driver
(2)Heated Seat Switch-Driver Connector
(3)Heated Seat Switch-Front Passenger Connector
(4)Heated Seat Switch-Front Passenger
(5)Switch Bezel