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

Driver Heat Controls


Object Number: 1775530  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Body Control Module Programming and Setup
Passenger Heat Controls
B+ Bus - Underhood Fuse Block
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
Splice Pack SP106 and G106 - 1 of 2
Figure 2:

Passenger Heat Controls


Object Number: 1775542  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Body Control Module Programming and Setup
Driver Heat Controls
B+ Bus - Underhood Fuse Block
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
Seat Belt Schematics
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
A/C, BLOWER, DOOR LOCK, HTD SEAT, ONSTAR, TBC, TURN/HAZ FR, and TURN/HAZ RR Fuses
Splice Pack SP106 and G106 - 1 of 2