GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Envoy - 4WD 🢒 Seats 🢒 Seat Heating and Cooling 🢒 Heated/Cooled Seat Component Views
Figure 1:

Driver Door Module (DDM)
Object Number: 1550864 Size: MF
(1)Window Lockout Switch
(2)Passenger Window Switch
(3)Right Rear Window Switch
(4)Door Lock Switch - Driver
(5)Memory Seat Switch - Driver (w/Memory)
(6)Heated Seat Switch - Driver (w/Heat)
(7)Left Rear Window Switch
(8)Driver Window Switch
Figure 2:

Beneath Driver Seat Cushion
Object Number: 1551334 Size: MF
(1)Memory Seat Module - Driver (w/Memory)
(2)Heated Seat Element Connector - Driver Cushion (w/Heat)
(3)Seat Belt Switch Connector - Driver
Figure 3:

Behind Driver Seat
Object Number: 1551335 Size: MF
(1)Lumbar Horizontal Motor - Driver (AR9)
(2)Heated Seat Element Connector - Driver Back (w/Heat)
(3)Lumbar Horizontal Position Sensor - Driver (w/Memory)
(4)Seat Belt Pretensioner - Left
Figure 4:

Front Passenger Door Module (FPDM)
Object Number: 1551319 Size: MF
(1)Window Switch - Passenger
(2)Door Lock Switch - Passenger
(3)Heated Seat Switch - Front Passenger (w/Heat)
Figure 5:

Beneath Passenger Seat Cushion
Object Number: 1551338 Size: MF
(1)Seat Belt Switch Connector - Passenger
(2)Inflatable Restraint Front Passenger Presence System (PPS) Sensor
(3)Inflatable Restraint Front Passenger Presence System (PPS) Module
(4)Heated Seat Element Connector - Passenger Cushion (w/Heat)
Figure 6:

Behind Passenger Seat
Object Number: 1551340 Size: MF
(1)Lumbar Horizontal Motor - Passenger (V40)
(2)Seat Belt Pretensioner - Right
(3)Heated Seat Element Connector - Passenger Back (w/Heat)