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

LH Front Heated Seat


Object Number: 576189  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
RH Front Heated Seat
Ashtray Lamp, Steering Wheel Controls, Console Dimming
IGN 3 RR Fuses
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
RH Front Heated Seat
Rear Heated Seat Modules
RH Front Heated Seat
RH Front Heated Seat
G302 2 of 2
G302 2 of 2
G200 2 of 2
G200 2 of 2
RH Front Heated Seat
Figure 2:

RH Front Heated Seat


Object Number: 576187  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Rear Heated Seat Modules
LH Front Heated Seat
IGN SW, HTDST LR, HTDST RR, and HTDST RF Fuses
Ashtray Lamp, Steering Wheel Controls, Console Dimming
Handling ESD Sensitive Parts Notice
LH Front Heated Seat
LH Front Heated Seat
G302 2 of 2
Figure 3:

Rear Heated Seat Modules


Object Number: 576191  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Rear Heated Seat Switches
RH Front Heated Seat
IGN SW, HTDST LR, HTDST RR, and HTDST RF Fuses
IGN 3 RR Fuses
IGN SW, HTDST LR, HTDST RR, and HTDST RF Fuses
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
LH Front Heated Seat
G301
G301
Figure 4:

Rear Heated Seat Switches


Object Number: 576196  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Rear Heated Seat Modules
Rear Door Dimming
Rear Door Dimming
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
LRDM Power, Ground, Inputs, and Outputs
Class 2 Serial Data Line (RH Drive)
RRDM Power, Ground, Inputs, and Outputs
RRDM Power, Ground, Inputs, and Outputs
LRDM Power, Ground, Inputs, and Outputs