Contents Wiring diagrams Section: Seats All sections

Seat Heating System & Seat Cooling System: Specifications Chevrolet Silverado Classic 1500 HD

Seats 10 illustrations

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Rear Heated Seat Switch Screws1.6 N.m14 lb in

Fastener Tightening Specifications

Scheme 26

Scheme 26: Heated/Cooled Seat Schematics

Scheme 27

Scheme 27

Scheme 28

Scheme 28: Heated/Cooled Seat Component Views
CalloutComponent Name
1C321
2Memory Seat Module - C4
3Seat Adjuster Switch Connector - Driver
4Memory Seat Module - C3
5Seat Adjuster Switch - Driver
6Seat Bolster/Lumbar Switch Connector - Driver
7Seat Adjuster Switch - Driver
8Seat Bolster/Lumbar Switch - Driver
9Seat Recline Position Sensor - Driver
10Seat Recliner Motor - Driver
11C305
12C323
13C325
14C322
15Seat Rear Vertical Motor Position Sensor - Driver
16Seat Front Vertical Motor Position Sensor - Driver
17Seat Rear Vertical Motor - Driver
18Seat Front Vertical Motor - Driver
19Memory Seat Module - C2
20Memory Seat Module - C1
21Seat Horizontal Motor - Driver
22C320
23Seat Horizontal Motor Seat Position Sensor - Driver

Scheme 29

Scheme 29
CalloutComponent Name
1Seat Bolster Motor - Driver
2Seat Lumbar Motor/Position Sensor - Driver
3Seat Lumbar Motor - Driver
4Heated Seat Element - Driver Cushion
5Seat Bolster Motor/Position Sensor - Driver
6C324
7Seat Belt Switch Connector
8Heated Seat Element - Driver Cushion Connector

Scheme 30

Scheme 30
CalloutComponent Name
1Seat Horizontal Motor - Passenger
2Seat Front Vertical Motor - Passenger
3Seat Rear Vertical Motor - Passenger
4C388
5C326
6C399
7Seat Recliner Motor - Passenger
8Seat Bolster/Lumbar Switch - Passenger
9Seat Adjuster Switch - Passenger
10Seat Adjuster Switch Connector

Scheme 31

Scheme 31
CalloutComponent Name
1Seat Bolster Motor - Passenger
2Seat Lumbar Motor - Passenger
3Heated Seat Element - Passenger Cushion Connector
4C329

Scheme 32

Scheme 32
CalloutComponent Name
1Driver Door
2Driver Door Module (DDM)
3Outside Rearview Mirror - Driver
4Window Motor - Driver
5Speaker - LF Door
6Memory/Heated Seat Switch Connector
7Speaker - LF Tweeter (UQ3)
8Door Courtesy Lamp - LF
9Driver Door Panel
10Memory/Heated Seat Switch
11Door Latch Assembly - Driver

Scheme 33

Scheme 33
CalloutComponent Name
1Passenger Door Module (PDM)
2Passenger Door
3Door Latch Assembly - Passenger
4Heated Seat Switch - Passenger
5Door Courtesy Lamp - RF
6Speaker - RF Tweeter (UQ3)
7Heated Seat Switch Connector
8Speaker - RF Door
9Window Motor - Passenger
10Outside Rearview Mirror - Passenger

Scheme 34

Scheme 34: Driver Door Module (DDM) - C5 (Memory/Heated Seat Switch)
Connector Part Information OEM: 6383393-4 Service: See Catalog Description: 12-Way F AMP 0.64 mm Unsealed (GN)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Driver Door Module (DDM) - C5 (Memory/Heated Seat Switch) Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
1WH/BKMedium Heat Indicator Control
2YELow Heat Indicator Control
3GYBack Only Select
4L-BUMemory/Heated Seat Backlight
5PKMemory 2 Switch Signal
6Not Used
7GNHigh Heat Indicator Control
8BKBack Only Indicator
9BUBack and Cushion Select
10RDMemory 1 Switch Signal
11BNMemory/Heated Switch Supply Voltage
12Not Used

Driver Door Module (DDM) - C5 (Memory/Heated Seat Switch) Connector Terminal Identification

Scheme 35

Scheme 35: Heated Seat Element - Driver Cushion
Connector Part Information OEM: 12064778 Service: 12126020 Description: 2-Way M Metri-Pack 150 Series (L-GN)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Element - Driver Cushion Connector & Terminal Parts Information

PinWire ColorCircuit No.Function
ABN2077Heated Seat Cushion Element Supply Voltage
BBK2078Heated Seat Cushion Element Control

Heated Seat Element - Driver Cushion Connector Terminal Identification