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

Passenger Compartment, Under the Left Front Seat


Object Number: 317657  Size: LF
(1)S336
(2)S337
(3)S338
(4)S330
(5)S334
(6)S332
(7)S339
(8)Memory Seat Module (MSM)
Figure 2:

Passenger Compartment, the Front of the IP


Object Number: 403049  Size: LF
(1)Headlamp Dimmer Switch
(2)Driver Information Switch
(3)Multi-function Lever
(4)Instrument Cluster
(5)Turn Signal/Hazard Switch
(6)Steering Wheel Control Switch
(7)Traction Control Switch
(8)Radio
(9)Passenger Temperature Control
(10)Right Heated Seat Switch
(11)Heater and A/C Control
(12)IP Cigar Lighter and Ashtray Lamp
(13)Left Heated Seat Switch
(14)Ignition Switch
(15)Horn Switch
(16)Steering Wheel Control Switch
(17)Rear Compartment Lid Release Switch
(18)Fuel Door Release Switch
Figure 3:

LH Front Seat Horizontal and Vertical Motors and Sensors


Object Number: 492636  Size: MF
(1)Horizontal Position Sensor
(2)Rear Vertical Position Sensor
(3)Rear Vertical Motor
(4)Front Vertical Motor
(5)Horizontal Motor
(6)Front Vertical Position Sensor
Figure 4:

LH Front Seat Back


Object Number: 492615  Size: MF
(1)Lumbar Vertical Position Sensor
(2)Lumbar Vertical Motor
(3)LH Seat Recline Motor
(4)S331
(5)S330
(6)Lumbar Horizontal Motor
(7)Lumbar Horizontal Position Sensor
Figure 5:

LH Lumbar and Seat Switch


Object Number: 492640  Size: MF
(1)LH Seat Switch
(2)LH Lumbar Switch