GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Classic - 2WD 🢒 Seats 🢒 Power Seats 🢒 Driver Seat Schematics
Figure 1:

Driver - 6-Way
Object Number: 1778698 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Power, Ground, Serial Data, and Seat Controls
ABS, AUX HTR PMP, ESCM, HCM-B, MBEC1, RTD, STUD 1, STUD 2, TRANS PUMP, and VSES/ECAS Fuses and RT DOOR and SEAT Circuit Breakers
ABS, AUX HTR PMP, ESCM, HCM-B, MBEC1, RTD, STUD 1, STUD 2, TRANS PUMP, and VSES/ECAS Fuses and RT DOOR and SEAT Circuit Breakers
G304, G305, G306, and G390
Figure 2:

Power, Ground, Serial Data, and Seat Controls
Object Number: 1778703 Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Control Module References
Seat Motors and Position Sensors
Driver 6-Way
ABS, AUX HTR PMP, ESCM, HCM-B, MBEC1, RTD, STUD 1, STUD 2, TRANS PUMP, and VSES/ECAS Fuses and RT DOOR and SEAT Circuit Breakers
ABS, AUX HTR PMP, ESCM, HCM-B, MBEC1, RTD, STUD 1, STUD 2, TRANS PUMP, and VSES/ECAS Fuses and RT DOOR and SEAT Circuit Breakers
G304, G305, G306, and G390
Power, Ground, DLC and Splice Pack SP205
Driver Heated Seat Controls (AN3)
Figure 3:

Seat Motors and Position Sensors
Object Number: 1778704 Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Control Module References
Power, Ground, Serial Data, and Seat Controls
Driver Heated Seat Controls (AN3)
Pasenger Heated Seat Controls