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

Heated Seat Module and Seat Switch


Object Number: 801190  Size: LF
(1)Heated Seat Module - Driver (KA1) (Front Passenger Similar)
(2)Heated Seat Module Connectors
(3)Driver Seat
(4)Seat Adjuster Switch - Driver (Front Passenger Similar)
Figure 2:

Seat Motors and MSM


Object Number: 801195  Size: LF
(1)Seat Front Vertical Motor - Driver Connector (Passenger Similar)
(2)Seat Front Vertical Motor - Driver (Passenger Similar)
(3)Seat Horizontal Motor - Driver, Passenger Similar
(4)Seat Rear Vertical Motor - Driver, Passenger Similar
(5)Seat Rear Vertical Motor - Driver Connector, Passenger Similar
(6)Horizontal Motor Connector - Driver Seat , Passenger Similar
(7)C301
(8)C300
(9)Memory Seat Module (MSM)
(10)Seat Recline Motor
(11)Seat Recline Motor Connector