GM Service Manual Online
For 1990-2009 cars only
Connector 1: Climate Control Seat Module - Driver C1
Connector 2: Climate Control Seat Module - Driver C2
Connector 3: Climate Control Seat Module - Passenger C1
Connector 4: Climate Control Seat Module - Passenger C2
Connector 5: Heated/Cooled Seat Blower Motor - Driver
Connector 6: Heated/Cooled Seat Blower Motor - Passenger
Connector 7: Seat Back Heated/Cooled Ventilation Module - Driver
Connector 8: Seat Back Heated/Cooled Ventilation Module - Passenger
Connector 9: Seat Cushion Heated/Cooled Ventilation Module - Driver
Connector 10: Seat Cushion Heated/Cooled Ventilation Module - Passenger

Climate Control Seat Module - Driver C1


Object Number: 62450  Size: CH

Connector Part Information

  • OEM: 12052856
  • Service: 12125636
  • Description: 4-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12034046/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Climate Control Seat Module - Driver C1

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PK

1139

Ignition 1 Voltage

C

BK

1150

Ground

D

RD/WH

1640

Battery Positive Voltage

Climate Control Seat Module - Driver C2


Object Number: 1317472  Size: CH

Connector Part Information

  • OEM: 638082-1
  • Service: See Catalog
  • Description: 20-Way M Hybrid (BK)

Terminal Part Information

  • Pins: 1-3
  • Terminal/Tray: 7116-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)
  • Pins: 10-15, 17-20
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Climate Control Seat Module - Driver C2

Pin

Wire Color

Circuit No.

Function

1

PK

2077

Driver Seat Cushion Heated/Cool Ventilation Module Heat Control

2

L-GN

2078

Driver Seat Cushion Heated/Cool Ventilation Module Cool Control

3

GY

5912

Low Reference

4-9

--

--

Not Used

10

D-GN

5918

Driver Seat Blower Voltage Reference

11

BN

2432

Driver Seat Back Heated/Cool Ventilation Module Heat Control

12

PU

2424

Driver Seat Back Heated/Cool Ventilation Module Cool Control

13

OG

5919

Driver Seat Blower Speed Control

14

L-BU/WH

5917

Driver Seat Blower Tachometer Signal

15

PK

1501

HVAC Heated/Cool Seat Mode Signal

16

--

--

Not Used

17

YE

2080

Low Reference

18

YE/BK

2079

Driver Seat Cushion Temperature Sensor Signal

19

D-BU

2425

Driver Seat Back Temperature Sensor Signal

20

PK

2426

Low Reference

Climate Control Seat Module - Passenger C1


Object Number: 62450  Size: CH

Connector Part Information

  • OEM: 12052856
  • Service: 12125636
  • Description: 4-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12034046/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Climate Control Seat Module - Passenger C1

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PK

1139

Ignition 1 Voltage

C

BK

750

Ground

D

RD/WH

3240

Battery Positive Voltage

Climate Control Seat Module - Passenger C2


Object Number: 1317472  Size: CH

Connector Part Information

  • OEM: 638082-1
  • Service: See Catalog
  • Description: 20-Way F Hybrid (BK)

Terminal Part Information

  • Pins: 1, 2, 11, 12
  • Terminal/Tray: 7116-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: 3, 10, 13-15, 17-20
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Climate Control Seat Module - Passenger C2

Pin

Wire Color

Circuit No.

Function

1

D-BU

2479

Passenger Seat Cushion Heated/Cool Ventilation Module Heat Control

2

PK

2480

Passenger Seat Cushion Heated/Cool Ventilation Module Cool Control

3

L-GN

5916

Low Reference

4-9

--

--

Not Used

10

WH

5914

Passenger Seat Blower Voltage Reference

11

TN

2481

Passenger Seat Back Heated/Cool Ventilation Module Heat Control

12

L-BU

2433

Passenger Seat Back Heated/Cool Ventilation Module Cool Control

13

D-BU

5915

Passenger Seat Blower Speed Control

14

BN/WH

5913

Passenger Seat Blower Tachometer Signal

15

PK/BK

1503

HVAC Heated/Cool Seat Mode Signal

16

--

--

Not Used

17

PK

2435

Low Reference

18

GY

2434

Passenger Seat Cushion Temperature Sensor Signal

19

TN

2436

Passenger Seat Back Temperature Sensor Signal

20

TN

2482

Low Reference

Heated/Cooled Seat Blower Motor - Driver


Object Number: 1464335  Size: CH

Connector Part Information

  • OEM: 7282-5531-40
  • Service: 88988483
  • Description: 4-Way M YESC/USCAR Class III Series (GY)

Terminal Part Information

  • Terminal/Tray: 7114-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Heated/Cooled Seat Blower Motor - Driver

Pin

Wire Color

Circuit No.

Function

1

D-GN

5918

Driver Seat Blower Voltage Reference

2

L-BU/WH

5917

Driver Seat Blower Tachometer Signal

3

OG

5919

Driver Seat Blower Speed Control

4

GY

5912

Low Reference

Heated/Cooled Seat Blower Motor - Passenger


Object Number: 1464335  Size: CH

Connector Part Information

  • OEM: 7282-5531-41
  • Service: 88988483
  • Description: 4-Way M YESC/USCAR Class III Series (GY)

Terminal Part Information

  • Terminal/Tray: 7114-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Heated/Cooled Seat Blower Motor - Passenger

Pin

Wire Color

Circuit No.

Function

1

WH

5914

Passenger Seat Blower Voltage Reference

2

BN/WH

5913

Passenger Seat Blower Tachometer Signal

3

D-BU

5915

Passenger Seat Blower Speed Control

4

L-GN

5916

Low Reference

Seat Back Heated/Cooled Ventilation Module - Driver


Object Number: 1283896  Size: CH

Connector Part Information

  • OEM: 7282-5532-40
  • Service: 89046743
  • Description: 6-Way M (GY)

Terminal Part Information

  • Terminal/Tray: 7114-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Seat Back Heated/Cooled Ventilation Module - Driver

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PK

2426

Low Reference

3

D-BU

2425

Driver Seat Back Temperature Sensor Signal

4

PU

2424

Driver Seat Back Heated/Cool Ventilation Module Cool Control

5

--

--

Not Used

6

BN

2432

Driver Seat Back Heated/Cool Ventilation Module Heat Control

Seat Back Heated/Cooled Ventilation Module - Passenger


Object Number: 1283896  Size: CH

Connector Part Information

  • OEM: 7282-5532-40
  • Service: 89046743
  • Description: 6-Way M (GY)

Terminal Part Information

  • Terminal/Tray: 7114-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Seat Back Heated/Cooled Ventilation Module - Passenger

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PK

2426

Low Reference

3

D-BU

2425

Passenger Seat Back Temperature Sensor Signal

4

PU

2424

Passenger Seat Back Heated/Cool Ventilation Module Cool Control

5

--

--

Not Used

6

BN

2432

Passenger Seat Back Heated/Cool Ventilation Module Heat Control

Seat Cushion Heated/Cooled Ventilation Module - Driver


Object Number: 1283896  Size: CH

Connector Part Information

  • OEM: 7283-5532-40
  • Service: 89046849
  • Description: 6-Way M (GY)

Terminal Part Information

  • Terminal/Tray: 7114-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Seat Cushion Heated/Cooled Ventilation Module - Driver

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

2080

Low Reference

3

YE/BK

2079

Driver Seat Cushion Temperature Sensor Signal

4

L-GN

2078

Driver Seat Cushion Heated/Cool Ventilation Module Cool Control

5

--

--

Not Used

6

PK

2077

Driver Seat Cushion Heated/Cool Ventilation Module Heat Control

Seat Cushion Heated/Cooled Ventilation Module - Passenger


Object Number: 1283896  Size: CH

Connector Part Information

  • OEM: 7282-5532-40
  • Service: 89046743
  • Description: 6-Way M (GY)

Terminal Part Information

  • Terminal/Tray: 7114-4100-08/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Seat Cushion Heated/Cooled Ventilation Module - Passenger

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PK

2435

Low Reference

3

GY

2434

Passenger Seat Cushion Temperature Sensor Signal

4

PK

2480

Passenger Seat Cushion Heated/Cool Ventilation Module Cool Control

5

--

--

Not Used

6

D-BU

2479

Passenger Seat Cushion Heated/Cool Ventilation Module Heat Control