GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 HHR 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T45-E 🢒 Heated/Cooled Seat Connector End Views
Connector 1: Heated Seat Control Module - Driver (KA1)
Connector 2: Heated Seat Control Module - Passenger (KA1)
Connector 3: Heated Seat Element - Driver Cushion (KA1)
Connector 4: Heated Seat Element - Driver Back (KA1)
Connector 5: Heated Seat Element - Passenger Cushion (KA1)
Connector 6: Heated Seat Element - Passenger Back (KA1)

Heated Seat Control Module - Driver (KA1)
Object Number: 1519708 Size: CH

Connector Part Information

  • OEM: 15-97-5121
  • Service: Serviced by Complete Seat Harness
  • Description: 12-Way F Mini Fit TPA (BK)

Terminal Part Information

  • Pins: 1-4, 8-12
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Control Module - Driver (KA1)

Pin

Wire Color

Circuit No.

Function

1

L-BU

1662

Driver Heated Seat Low Indicator Control

2

BK

1250

Ground

3

PK

1639

Ignition 1 Voltage

4

D-GN

1661

Driver Heated Seat High Indicator Control

5-7

--

--

Not Used

8

PK

2077

Driver Heated Seat Element Supply Voltage

9

PK

1501

Driver Heated Seat High/Low Signal

10

RD/WH

340

Battery Positive Voltage

11

BK

1250

Ground

12

YE/BK

2079

Temperature Sensor Signal

Heated Seat Control Module - Passenger (KA1)
Object Number: 1519708 Size: CH

Connector Part Information

  • OEM: 15-97-5121
  • Service: Serviced by Complete Seat Harness
  • Description: 12-Way F Mini Fit TPA (BK)

Terminal Part Information

  • Pins: 1-4, 8-12
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heated Seat Control Module - Passenger (KA1)

Pin

Wire Color

Circuit No.

Function

1

D-BU/WH

1686

Passenger Heated Seat Low Indicator Control

2

BK

1550

Ground

3

PK

1639

Ignition 1 Voltage

4

BN/WH

1685

Passenger Heated Seat High Indicator Control

5-7

--

--

Not Used

8

PK

2479

Passenger Heated Seat Element Supply Voltage

9

PK/BK

1503

Passenger Heated Seat High/Low Signal

10

RD/WH

340

Battery Positive Voltage

11

BK

1550

Ground

12

D-BU

5475

Passenger Heated Seat Temperature Sensor Signal

Heated Seat Element - Driver Cushion (KA1)
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 - Driver Cushion (KA1)

Pin

Wire Color

Circuit No.

Function

A

PK

2077

Heated Seat Element Supply

B

BK

2077

Heated Seat Element Supply

C

YE/BK

2079

Heated Seat Temperature Sensor Signal

D

BK

1250

Ground

Heated Seat Element - Driver Back (KA1)
Object Number: 894480 Size: CH

Connector Part Information

  • OEM: 12064778
  • 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 (KA1)

Pin

Wire Color

Circuit No.

Function

A

YE

2077

Heated Seat Element Supply

B

BK

1250

Ground

Heated Seat Element - Passenger Cushion (KA1)
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 - Passenger Cushion (KA1)

Pin

Wire Color

Circuit No.

Function

A

PK

2479

Passenger Heated Seat Element Supply Voltage

B

BK

2479

Passenger Heated Seat Element Supply Voltage

C

D-BU

5475

Passenger Heated Seat Temperature Sensor Signal

D

BK

1550

Ground

Heated Seat Element - Passenger Back (KA1)
Object Number: 894480 Size: CH

Connector Part Information

  • OEM: 12064778
  • 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 (KA1)

Pin

Wire Color

Circuit No.

Function

A

YE

2479

Heated Seat Element Supply

B

BK

1550

Ground