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

Cell 143: LH Front Heated Seat


Object Number: 141877  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Cell 143: RH Front Heated Seat
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Power Distribution Schematics
Cell 14: G200 (1 of 2)
Cell 14: G200 (2 of 2)
Cell 14: G302
Cell 14: G302
Cell 117: Ashtray Lamp, Steering Wheel Controls, Console Dimming
Cell 143: RH Front Heated Seat
Cell 143: RH Front Heated Seat
Cell 143: Rear Heated Seat Modules
Cell 143: RH Front Heated Seat
Cell 143: RH Front Heated Seat
Power and Grounding Connector End Views
Body Control System Connector End Views
Power Seat Connector End Views
Figure 2:

Cell 143: RH Front Heated Seat


Object Number: 141879  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Cell 143: Rear Heated Seat Modules
Cell 143: LH Front Heated Seat
Cell 10: IGN SW, HTDST LR, HTDST RR, HTDST LF, and HTDST RF Fuses
Cell 14: G302
Cell 14: G302
Cell 117: Ashtray Lamp, Steering Wheel Controls, Console Dimming
Cell 143: LH Front Heated Seat
Cell 143: LH Front Heated Seat
Cell 143: LH Front Heated Seat
Cell 143: LH Front Heated Seat
Power and Grounding Connector End Views
Power Seat Connector End Views
Figure 3:

Cell 143: Rear Heated Seat Modules


Object Number: 141880  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Cell 143: Rear Heated Seat Switches
Cell 143: RH Front Heated Seat
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 10: IGN 3 RR Fuse
Cell 10: IGN SW, HTDST LR, HTDST RR, HTDST LF, and HTDST RF Fuses
Cell 10: IGN SW, HTDST LR, HTDST RR, HTDST LF, and HTDST RF Fuses
Cell 14: G301
Cell 14: G301
Cell 143: LH Front Heated Seat
Power and Grounding Connector End Views
Power Seat Connector End Views
Power Seat Connector End Views
Body Control System Connector End Views
Figure 4:

Cell 143: Rear Heated Seat Switches


Object Number: 141881  Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Cell 143: Rear Heated Seat Modules
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Body Control System Schematics
Cell 55: LH Front Power Window Switch
Cell 55: LH Front Power Window Switch
Cell 55: LRDM Power, Ground, Inputs, and Outputs
Cell 55: RRDM Power, Ground, Inputs, and Outputs
Cell 117: Rear Door Dimming
Cell 117: Rear Door Dimming
Body Control System Connector End Views
Power Door Systems Connector End Views
Power Door Systems Connector End Views
Power Door Systems Connector End Views