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

Power Seat Subsystem


Object Number: 789302  Size: LF
(1)Seat elt Switch
(2)Lumbar Vertical Adjuster Relay-Driver, and Lumbar Horizontal Adjuster Relay-Driver
(3)Heated eat Back-Driver
(4)Front Seat inish Panel
(5)Seat Adjuster Switch-Driver and Seat Lumbar Switch-Driver
(6) Finish Panel Cutout for Seat Adjuster Switch-Driver and Seat Lumbar Switch-Driver
(7)Seat Adjuster Motor Assembly
(8)Heated Seat Control Module-Driver (w/KA1)
(9)Heated Seat Control Module-Driver (w/KA1)
Figure 2:

Lower Center of Instrument Panel


Object Number: 589223  Size: LF
(1)HVAC Control Module
(2)Heated Seat Switch-Driver (w/KA1)
(3)Heated Seat Switch-Front Passenger (w/KA1)
(4)Cigar Lighter