GM Service Manual Online
For 1990-2009 cars only
Connector 1: Climate Control Seat Module C1 (w/KA1/KB6)
Connector 2: Climate Control Seat Module C2 (w/KA1/KB6)
Connector 3: Cooled Seat Blower Motor - Driver Back (w/KB6)
Connector 4: Cooled Seat Blower Motor - Driver Cushion (w/KB6)
Connector 5: Cooled Seat Blower Motor - Passenger Back (w/KB6)
Connector 6: Cooled Seat Blower Motor - Passenger Cushion (w/KB6)
Connector 7: Heated Seat Element - Driver Back (w/KA1)
Connector 8: Heated Seat Element - Driver Cushion (w/KA1)
Connector 9: Heated Seat Element - Left Rear Back (w/KA6)
Connector 10: Heated Seat Element - Left Rear Cushion (w/KA6)
Connector 11: Heated Seat Element - Passenger Back (w/KA1)
Connector 12: Heated Seat Element - Passenger Cushion (w/KA1)
Connector 13: Heated Seat Element - Right Rear Back (w/KA6)
Connector 14: Heated Seat Element - Right Rear Cushion (w/KA6)
Connector 15: Heated Seat Module - Rear C1 (KA6)
Connector 16: Heated Seat Module - Rear C2 (KA6)
Connector 17: Heated Seat Module - Rear C3 (KA6)

Climate Control Seat Module C1 (w/KA1/KB6)


Object Number: 62450  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A, B, D
  • 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 C1 (w/KA1/KB6)

Pin

Wire Color

Circuit No.

Function

A

D-BU

2479

Passenger Heated Seat Element Supply Voltage

B

RD/WH

2540

Battery Positive Voltage

C

--

--

Not Used

D

PK

2077

Driver Heated Seat Element Supply Voltage

Climate Control Seat Module C2 (w/KA1/KB6)


Object Number: 1519708  Size: CH

Connector Part Information

  • OEM: 15-97-5121
  • Service: 88988790
  • Description: 12-Way F Mini Fit Series (BK)

Terminal Part Information

  • Pins: 3, 5, 6, 7, 8, 9, 10, 11, 12
  • 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 C2 (w/KA1/KB6)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

BN

41

Run Ignition 3 Voltage

4

--

--

Not Used

5

PK

2435

Passenger Heated Seat NTC Low Reference

6

BK

650

Ground

7

GY

791

PWM Serial Data

8

WH

790

PWM Serial Data

9

WH

5915

Passenger Seat Fan Speed Control (KB6)

10

YE/BK

2079

Driver Heated Seat NTC Signal

11

GY

2434

Passenger Heated Seat NTC Signal

12

OG

5919

Driver Seat Fan Speed Control (KB6)

Cooled Seat Blower Motor - Driver Back (w/KB6)


Object Number: 309465  Size: CH

Connector Part Information

  • OEM: 12065423
  • Service: 12117371
  • Description: 3-Way M Metri-Pack 150 Series (WH)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Cooled Seat Blower Motor - Driver Back (w/KB6)

Pin

Wire Color

Circuit No.

Function

A

L-BU

5919

Driver Seat Fan Speed Control

B

BK

550

Ground

C

RD/WH

2840

Battery Positive Voltage

Cooled Seat Blower Motor - Driver Cushion (w/KB6)


Object Number: 309465  Size: CH

Connector Part Information

  • OEM: 12065423
  • Service: 12117371
  • Description: 3-Way M Metri-Pack 150 Series (WH)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Cooled Seat Blower Motor - Driver Cushion (w/KB6)

Pin

Wire Color

Circuit No.

Function

A

L-BU

5919

Driver Seat Fan Speed Control

B

BK

550

Ground

C

RD/WH

2840

Battery Positive Voltage

Cooled Seat Blower Motor - Passenger Back (w/KB6)


Object Number: 309465  Size: CH

Connector Part Information

  • OEM: 12065423
  • Service: 12117371
  • Description: 3-Way M Metri-Pack 150 Series (WH)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Cooled Seat Blower Motor - Passenger Back (w/KB6)

Pin

Wire Color

Circuit No.

Function

A

WH

5915

Driver Seat Fan Speed Control

B

BK

650

Ground

C

RD/WH

2540

Battery Positive Voltage

Cooled Seat Blower Motor - Passenger Cushion (w/KB6)


Object Number: 309465  Size: CH

Connector Part Information

  • OEM: 12065423
  • Service: 12117371
  • Description: 3-Way M Metri-Pack 150 Series (WH)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Cooled Seat Blower Motor - Passenger Cushion (w/KB6)

Pin

Wire Color

Circuit No.

Function

A

WH

5915

Driver Seat Fan Speed Control

B

BK

650

Ground

C

RD/WH

2540

Battery Positive Voltage

Heated Seat Element - Driver Back (w/KA1)


Object Number: 258301  Size: CH

Connector Part Information

  • OEM: 12059254
  • Service: 12126020
  • Description: 2-Way M Metri-Pack 150 Series (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 Back (w/KA1)

Pin

Wire Color

Circuit No.

Function

A

PK

2077

Driver Heated Seat Element Supply Voltage

B

BK

550

Ground

Heated Seat Element - Driver Cushion (w/KA1)


Object Number: 288378  Size: CH

Connector Part Information

  • OEM: 12047786
  • Service: 12085536
  • Description: 4-Way M Metri-Pack 150 Series (BK)

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 (w/KA1)

Pin

Wire Color

Circuit No.

Function

A

PK

2077

Driver Heated Seat Element Supply Voltage

B

BK

550

Ground

C

YE/BK

2079

Driver Heated Seat NTC Signal

D

YE

2080

Driver Heated Seat NTC Low Reference

Heated Seat Element - Left Rear Back (w/KA6)


Object Number: 35441  Size: CH

Connector Part Information

  • OEM: 12047663
  • Service: 12085481
  • Description: 2-Way M Metri-Pack 150 Series (BK)

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 - Left Rear Back (w/KA6)

Pin

Wire Color

Circuit No.

Function

A

D-GN

9174

LR Heated Seat Supply Voltage

B

L-GN

9175

LR Heated Seat Element Control

Heated Seat Element - Left Rear Cushion (w/KA6)


Object Number: 39661  Size: CH

Connector Part Information

  • OEM: 12047786
  • Service: 12085536
  • Description: 4-Way M Metri-Pack 150 Series (BK)

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 - Left Rear Cushion (w/KA6)

Pin

Wire Color

Circuit No.

Function

A

D-GN

9174

LR Heated Seat Element Supply Voltage

B

L-GN

9175

LR Heated Seat Element Control

C

L-BU

9171

LR Heated Seat Temperature Sensor Signal

D

D-BU

9170

LR Heated Seat Temperature Sensor Low Reference

Heated Seat Element - Passenger Back (w/KA1)


Object Number: 258301  Size: CH

Connector Part Information

  • OEM: 12059254
  • Service: 12126020
  • Description: 2-Way M Metri-Pack 150 Series (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 - Passenger Back (w/KA1)

Pin

Wire Color

Circuit No.

Function

A

D-BU

2479

Passenger Heated Seat Element Supply Voltage

B

BK

650

Ground

Heated Seat Element - Passenger Cushion (w/KA1)


Object Number: 288378  Size: CH

Connector Part Information

  • OEM: 12047786
  • Service: 12085536
  • Description: 4-Way M Metri-Pack 150 Series (BK)

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 - Passenger Cushion (w/KA1)

Pin

Wire Color

Circuit No.

Function

A

D-BU

2479

Passenger Heated Seat Element Supply Voltage

B

BK

650

Ground

C

GY

2434

Passenger Heated Seat Cushion Temperature Sensor Signal

D

YE

805

Driver Heated Seat Cushion Temperature Sensor Low Reference

Heated Seat Element - Right Rear Back (w/KA6)


Object Number: 35441  Size: CH

Connector Part Information

  • OEM: 12048457
  • Service: 12085481
  • Description: 2-Way M Metri-Pack 150 Series (BK)

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 - Right Rear Back (w/KA6)

Pin

Wire Color

Circuit No.

Function

A

GY

9173

RR Heated Seat Element Supply Voltage

B

BN

9172

RR Heated Seat Element Control

Heated Seat Element - Right Rear Cushion (w/KA6)


Object Number: 39661  Size: CH

Connector Part Information

  • OEM: 12047786
  • Service: 12085536
  • Description: 4-Way M Metri-Pack 150 Series (BK)

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 - Right Rear Cushion (w/KA6)

Pin

Wire Color

Circuit No.

Function

A

GY

9173

RR Heated Seat Element Supply Voltage

B

BN

9172

RR Heated Seat Element Control

C

OG

9176

RR Heated Seat Temperature Sensor Signal

D

PK

9177

RR Heated Seat Temperature Sensor Low Reference

Heated Seat Module - Rear C1 (KA6)


Object Number: 1455870  Size: CH

Connector Part Information

  • OEM: 39-01-2120
  • Service: Service by Harness - See Part Catalog
  • Description: 12-Way F Mini Fit Molex (CL)

Terminal Part Information

  • Pins: 2, 4, 5, 6, 9, 11, 12
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Module - Rear C1 (KA6)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PK

9177

RR Heated Seat Temperature Sensor Low Reference

3

--

--

Not Used

4

L-BU

9171

LR Heated Seat Temperature Sensor Signal

5

D-GN

9174

LR Heated Seat Element Supply Voltage

6

GY

9173

RR Heated Seat Element Supply Voltage

7-8

--

--

Not Used

9

OG

9176

RR Heated Seat Temperature Sensor Signal

10

--

--

Not Used

11

L-GN

9175

LR Heated Seat Element Control

12

BN

9172

RR Heated Seat Element Control

Heated Seat Module - Rear C2 (KA6)


Object Number: 62450  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A, B, C
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Module - Rear C2 (KA6)

Pin

Wire Color

Circuit No.

Function

A

BK

850

Ground

B

YE

182

Rear Heated Seat Switch Supply Voltage

C

BN

341

Ignition 3 Voltage

D

--

--

Not Used

Heated Seat Module - Rear C3 (KA6)


Object Number: 1455867  Size: CH

Connector Part Information

  • OEM: 39-01-2100
  • Service: Service by Harness - See Part Catalog
  • Description: 10-Way F Mini Fit Molex (CL)

Terminal Part Information

  • Pins: 3, 4, 5, 6, 7, 8, 9, 10
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Module - Rear C3 (KA6)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

TN/WH

6585

LR Medium Temperature Indicator

4

BN

1634

RR Heated Seat Switch Signal

5

BN/WH

1637

LR Heated Seat Switch Signal

6

PK

1636

RR Low Temperature Indicator

7

L-BU/WH

6586

RR Medium Temperature Indicator

8

BK/WH

1635

RR High Temperature Indicator

9

BK/WH

1638

LR High Temperature Signal

10

PK

1631

LR Low Temperature Indicator