GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2003 🢒 H2 🢒 Body and Accessories 🢒 Seats 🢒 Power Seat Component Views
Figure 1:

Driver Seat Sub-System Components
Object Number: 854624 Size: LF
(1)C327
(2)Seat Adjuster Switch-Driver
(3)Memory Seat Module-C4
(4)Memory Seat Module-C3
(5)Seat Bolster/Lumbar Switch-Driver
(6)Seat Recline Motor-Driver
(7)C325
(8)C329
(9)C330
(10)C328
(11)Seat Rear Vertical Motor-Driver
(12)Seat Front Vertical Motor-Driver
(13)Memory Seat Module-C2
(14)Memory Seat Module-C1
(15)Seat Horizontal Motor-Driver
(16)C326
Figure 2:

Seat Belt Switch-Driver,Heated Seat Element Connector,Bolster/Lumbar Motors and C333
Object Number: 854618 Size: LF
(1)Seat Bolster Motor-Driver
(2)Seat Lumbar Motor-Driver
(3)Heated Seat Element-Driver Cushion
(4)C333
(5)Seat Belt Switch Connector
(6)Heated Seat Element-Driver Cushion Connector
Figure 3:

Passenger Seat Sub-System Components
Object Number: 854616 Size: LF
(1)Seat Horizontal Motor-Front Passenger
(2)Seat Front Vertical Motor-Front Passenger
(3)Seat Rear Vertical Motor-Front Passenger
(4)C376
(5)C377
(6)C375
(7)Seat Recline Motor-Front Passenger
(8)Seat Bolster/Lumbar Switch-Front Passenger
(9)Seat Adjuster Switch-Front Passenger
Figure 4:

Heated Seat Element-Passenger Cushion,Bolster/Lumbar Motors and C378 (w/KA7)
Object Number: 854613 Size: LF
(1)Seat Bolster Motor-Passenger
(2)Seat Lumbar Motor-Passenger
(3)Heated Seat Element-Passenger Cushion Connector (w/KA7)
(4)C378
Figure 5:

Rear Heated Seat Components (w/KA7)
Object Number: 888621 Size: LF
(1)Left Rear Seat
(2)Heated Seat Element Connector-LR
(3)Heated Seat Control module-LR
Figure 6:

Memory/Heated Seat Switch-Driver (w/KA7)
Object Number: 858866 Size: LF
(1)Driver Door Module (DDM)
(2)Driver Inner Door Panel
(3)DDM-C5 (Green)
(4)Memory/Heated Seat Switch-Driver(w/KA7)
Figure 7:

Heated Seat Switch-LR/RR (w/KA7)
Object Number: 828480 Size: MF
(1)RSA Controller
(2)Heated Seat Switch-RR (w/KA7)
(3)Accessory Power Outlet-RR
(4)Accessory Power Outlet-LR
(5)Heated Seat Switch-LR (w/KA7)