GM Service Manual Online
For 1990-2009 cars only
Connector 1: Heated Seat Back - Driver (KA1)
Connector 2: Heated Seat Back - Passenger (KA1)
Connector 3: Heated Seat Cushion - Driver (KA1)
Connector 4: Heated Seat Cushion - Passenger (KA1)
Connector 5: Heated Seat Module - Driver C1 (KA1)
Connector 6: Heated Seat Module - Driver C2 (KA1)
Connector 7: Heated Seat Module - Passenger C1 (KA1)
Connector 8: Heated Seat Module - Passenger C2 (KA1)
Connector 9: Heated Seat Switch - Driver (KA1)
Connector 10: Heated Seat Switch - Passenger (KA1)

Heated Seat Back - Driver (KA1)


Object Number: 646421  Size: CH

Connector Part Information

  • OEM: 12059253
  • Service: 12125690
  • Description: 2-Way F 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 Back - Driver (KA1)

Pin

Wire Color

Circuit No.

Function

A

L-GN

2078

Heated Seat Element Control

B

PK

2077

Heated Seat Element Supply Voltage

Heated Seat Back - Passenger (KA1)


Object Number: 646421  Size: CH

Connector Part Information

  • OEM: 12059253
  • Service: 12125690
  • Description: 2-Way F 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 Back - Passenger (KA1)

Pin

Wire Color

Circuit No.

Function

A

PK

2480

Heated Seat Element Control

B

D-BU

2479

Heated Seat Element Supply Voltage

Heated Seat Cushion - Driver (KA1)


Object Number: 39660  Size: CH

Connector Part Information

  • OEM: 12047785
  • Service: 12102900
  • Description: 4-Way F 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 Cushion - Driver (KA1)

Pin

Wire Color

Circuit No.

Function

A

YE

2080

Driver Heated Seat Cushion Temperature Sensor Low Reference

B

YE/BK

2079

Driver Heated Seat Cushion Temperature Sensor Signal

C

L-GN

2078

Heated Seat Element Control

D

PK

2077

Heated Seat Element Supply Voltage

Heated Seat Cushion - Passenger (KA1)


Object Number: 39660  Size: CH

Connector Part Information

  • OEM: 12047785
  • Service: 12102900
  • Description: 4-Way F 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 Cushion - Passenger (KA1)

Pin

Wire Color

Circuit No.

Function

A

PK

2435

Passenger Heated Seat Cushion Temperature Sensor Low Reference

B

GY

2434

Passenger Heated Seat Cushion Temperature Sensor Signal

C

PK

2480

Heated Seat Element Control

D

D-BU

2479

Passenger Heated Seat Element Supply Voltage

Heated Seat Module - Driver C1 (KA1)


Object Number: 62464  Size: CH

Connector Part Information

  • OEM: 12064769
  • Service: 12101762
  • Description: 10-Way F Metri-Pack 150 Series (NA)

Terminal Part Information

  • Pins: A-D, F-K
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Module - Driver C1 (KA1)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

1640

Battery Positive Voltage

B

PK

1139

Ignition 1 Voltage

C

L-BU/WH

181

Driver Heated Seat Module Status Signal

D

PK

1501

Driver Heated Seat High/Low Signal

E

--

--

Not Used

F

OG/BK

2180

Driver Heated Seat Switch Off Signal

G

YE

182

Heated Seat Control Module Inhibit Signal

H

BN

1463

Heated Seat Low Temperature Indicator Control

J

D-BU

1461

Heated Seat High Temperature Indicator Control

K

BK

1150

Ground

Heated Seat Module - Driver C2 (KA1)


Object Number: 40422  Size: CH

Connector Part Information

  • OEM: 12064762
  • Service: 12125665
  • Description: 6-Way F Metri-Pack 150 Series (GY)

Terminal Part Information

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

Heated Seat Module - Driver C2 (KA1)

Pin

Wire Color

Circuit No.

Function

A

PK

2077

Heated Seat Element Supply Voltage

B

--

--

Not Used

C

L-GN

2078

Heated Seat Element Control

D

YE

2080

Driver Heated Seat Cushion Temperature Sensor Low Reference

E

--

--

Not Used

F

YE/BK

2079

Driver Heated Seat Cushion Temperature Sensor Signal

Heated Seat Module - Passenger C1 (KA1)


Object Number: 62464  Size: CH

Connector Part Information

  • OEM: 12064769
  • Service: 12101762
  • Description: 10-Way F Metri-Pack 150 Series (NA)

Terminal Part Information

  • Pins: A-D, F-K
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Module - Passenger C1 (KA1)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

3240

Battery Positive Voltage

B

PK

1139

Ignition 1 Voltage

C

D-BU

2181

Passenger Heated Seat Module Status Signal

D

PK/BK

1503

Passenger Heated Seat High/Low Signal

E

--

--

Not Used

F

L-BU

2179

Passenger Heated Seat Switch Off Signal

G

GY

5961

Heated Seat Control Module Inhibit Signal

H

BN/WH

1506

Heated Seat Low Temperature Indicator Control

J

D-BU/WH

1504

Heated Seat High Temperature Indicator Control

K

BK

750

Ground

Heated Seat Module - Passenger C2 (KA1)


Object Number: 40422  Size: CH

Connector Part Information

  • OEM: 12064762
  • Service: 12125665
  • Description: 6-Way F Metri-Pack 150 Series (GY)

Terminal Part Information

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

Heated Seat Module - Passenger C2 (KA1)

Pin

Wire Color

Circuit No.

Function

A

D-BU

2479

Heated Seat Element Supply Voltage

B

--

--

Not Used

C

PK

2480

Heated Seat Element Control

D

PK

2435

Passenger Heated Seat Cushion Temperature Sensor Low Reference

E

--

--

Not Used

F

GY

2434

Passenger Heated Seat Cushion Temperature Sensor Signal

Heated Seat Switch - Driver (KA1)


Object Number: 1696704  Size: CH

Connector Part Information

  • OEM: 31073-1011
  • Service: 88988114
  • Description: 6-Way F HDAC64 SR Housing (GY)

Terminal Part Information

  • Terminal/Tray: 1393364-2/7
  • Core/Insulation Crimp: K/K
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)

Heated Seat Switch - Driver (KA1)

Pin

Wire Color

Circuit No.

Function

1

OG/BK

2180

Driver Heated Seat Switch Off Signal

2

GY/BK

1458

Instrument Panel Lamps Supply Voltage (4)

3

BK

1550

Ground

4

PK

1501

Driver Heated Seat High/Low Signal

5

D-BU

1461

Heated Seat High Temperature Indicator Control

6

BN

1463

Heated Seat Low Temperature Indicator Control

Heated Seat Switch - Passenger (KA1)


Object Number: 1696702  Size: CH

Connector Part Information

  • OEM: 31073-1010
  • Service: 88988113
  • Description: 6-Way F HDAC64 SR Housing (BK)

Terminal Part Information

  • Terminal/Tray: 1393364-2/7
  • Core/Insulation Crimp: K/K
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)

Heated Seat Switch - Passenger (KA1)

Pin

Wire Color

Circuit No.

Function

1

L-BU

2179

Passenger Heated Seat Switch Off Signal

2

GY/BK

1458

Instrument Panel Lamps Supply Voltage (4)

3

BK

1550

Ground

4

PK/BK

1503

Passenger Heated Seat High/Low Signal

5

D-BU/WH

1504

Heated Seat High Temperature Indicator Control

6

BN/WH

1506

Heated Seat Low Temperature Indicator Control