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

LH Front Heated Seat Module


Object Number: 691028  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
RH Front Heated Seat Module
G301 (1 of 2)
G301 (1 of 2)
Serial Data Class 2
RH Front Heated Seat Module
IGN 3 and ABS Fuses (Rear Fuse Block)
HTDST RF, HTDST LF DIM and MEM fuses (Rear Fuse Block)
Figure 2:

RH Front Heated Seat Module


Object Number: 691041  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
LH Front Heated Seat Switch
LH Front Heated Seat Module
G301 (2 of 2)
G301 (2 of 2)
Serial Data Class 2
LH Front Heated Seat Module
HTDST RF, HTDST LF DIM and MEM fuses (Rear Fuse Block)
Figure 3:

LH Front Heated Seat Switch


Object Number: 691047  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
RH Front Heated Seat Switch
RH Front Heated Seat Module
G200 (2 of 2)
Serial Data Class 2
Simple Buss Interface
Dimming Control
Figure 4:

RH Front Heated Seat Switch


Object Number: 691051  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
LH Front Heated Seat Switch
Dimming Control
Simple Buss Interface