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

Power Lumbar Seat


Object Number: 1413041  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation w/o Memory-A45
Left Rear Heated Seat Switch (KA1)
G302 - 3 of 3
G302 - 3 of 3
G302 - 1 of 3
G302 - 1 of 3
Figure 2:

Left Rear Heated Seat Switch (KA1)


Object Number: 1413043  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Left Rear Heated Seat Module (KA1)
Power Lumbar Seat
Figure 3:

Left Rear Heated Seat Module (KA1)


Object Number: 1413046  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Right Rear Heated Seat Switch (KA1)
Left Rear Heated Seat Switch (KA1)
Rear Fuse Block Battery Voltage
IGN 3 Relay and IGN 3 RR Fuse
G301
G301
Figure 4:

Right Rear Heated Seat Switch (KA1)


Object Number: 1413048  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Right Rear Heated Seat Module (KA1)
Left Rear Heated Seat Module (KA1)
Figure 5:

Right Rear Heated Seat Module (KA1)


Object Number: 1413049  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Right Rear Heated Seat Switch (KA1)
Rear Fuse Block Battery Voltage
IGN 3 Relay and IGN 3 RR Fuse
G301
G301