GM Service Manual Online
For 1990-2009 cars only
Connector 1: Heated Seat Pad - Driver Back (KA1)
Connector 2: Heated Seat Pad - Driver Cushion (KA1)
Connector 3: Heated Seat Pad - Passenger Back (KA1)
Connector 4: Heated Seat Pad - Passenger Cushion (KA1)
Connector 5: Memory Seat Module C1 (A43)
Connector 6: Memory Seat Module C2 (A43)
Connector 7: Memory Seat Module C3 (A43)
Connector 8: Memory Seat Module C4 (A43)
Connector 9: Memory Seat Switch (A43)
Connector 10: Seat Adjuster Motor Assembly - Driver (AG1) or Seat Adjuster Motor Assembly - Driver C1 (A43)
Connector 11: Seat Adjuster Motor Assembly - Driver C2 (A43)
Connector 12: Seat Adjuster Motor Assembly - Passenger (AG2)
Connector 13: Seat Adjuster Switch - Driver (A43)
Connector 14: Seat Adjuster Switch - Driver (AG1)
Connector 15: Seat Adjuster Switch - Passenger (AG2)

Heated Seat Pad - Driver Back (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 Pad - Driver Back (KA1)

Pin

Wire Color

Circuit No.

Function

A

BN

--

Heated Seat Element (Back) - Driver Supply Voltage

B

BN

--

Heated Seat Element (Back) - Driver Ground

Heated Seat Pad - Driver Cushion (KA1)


Object Number: 283890  Size: CH

Connector Part Information

  • OEM: 12066498
  • Service: 12085536
  • Description: 4-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047581/2
  • Core/Insulation Crimp: Pins A: E/C
  • Core/Insulation Crimp: Pins B, C: E/A
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Heated Seat Pad - Driver Cushion (KA1)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1462

Driver Heated Seat Switch Signal

B

OG

1140

Battery Positive Voltage

C

BK

550

Ground

D

--

--

Not Used

Heated Seat Pad - Passenger Back (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 Pad - Passenger Back (KA1)

Pin

Wire Color

Circuit No.

Function

A

BN

--

Heated Seat Element (Back) - Passenger Supply Voltage

B

BN

--

Heated Seat Element (Back) - Passenger Ground

Heated Seat Pad - Passenger Cushion (KA1)


Object Number: 283890  Size: CH

Connector Part Information

  • OEM: 12066498
  • Service: 12085536
  • Description: 4-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047581/2
  • Core/Insulation Crimp: Pins A: E/C
  • Core/Insulation Crimp: Pins B, C: E/A
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Heated Seat Pad - Passenger Cushion (KA1)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1505

Passenger Heated Seat Switch Signal

B

OG

1140

Battery Positive Voltage

C

BK

750

Ground

D

--

--

Not Used

Memory Seat Module C1 (A43)


Object Number: 38596  Size: CH

Connector Part Information

  • OEM: 12020557
  • Service: 12117269
  • Description: 3-Way F Metri-Pack 480 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12084595/2
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-40 (BU)

Memory Seat Module C1 (A43)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BK

550

Ground

C

OG

1140

Battery Positive Voltage

Memory Seat Module C2 (A43)


Object Number: 62469  Size: CH

Connector Part Information

  • OEM: 12064998
  • Service: 15306189
  • Description: 8-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12015858/4
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Memory Seat Module C2 (A43)

Pin

Wire Color

Circuit No.

Function

A

GY

286

Driver Seat Front Vertical Motor Up Control

B

WH

287

Driver Seat Front Vertical Motor Down Control

C

L-BU

283

Driver Seat Rear Vertical Motor Down Control

D

YE

282

Driver Seat Rear Vertical Motor Up Control

E

L-GN

284

Driver Seat Horizontal Motor Rearward Control

F

TN

285

Driver Seat Horizontal Motor Forward Control

G-H

--

--

Not Used

Memory Seat Module C3 (A43)


Object Number: 130690  Size: CH

Connector Part Information

  • OEM: 12110206
  • Service: 12110206
  • Description: 24-Way F Micro-Pack 100 Series (L-BU)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Memory Seat Module C3 (A43)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

D-BU

672

5-Volt Reference

A3

GY

786

Driver Mirror Horizontal Position Sensor Signal

A4

D-GN

784

Driver Mirror Vertical Position Sensor Signal

A5

L-BU/BK

785

Passenger Mirror Horizontal Position Sensor Signal

A6

BN

787

Passenger Mirror Vertical Position Sensor Signal

A7

OG

917

5-Volt Reference

A8

BK

918

Low Reference

A9

--

--

Not Used

A10

L-GN

921

Driver Seat Horizontal Position Sensor Signal

A11

TN

920

Driver Seat Rear Vertical Position Sensor Signal

A12

BN/WH

919

Driver Seat Front Vertical Position Sensor Signal

B1

--

--

Not Used

B2

BN

673

Low Reference

B3

--

--

Not Used

B4

RD/WH

881

Passenger Mirror Motor Right Control

B5

GY

90

Passenger Mirror Motor Left/Up Control

B6

PU/WH

889

Passenger Mirror Motor Down Control

B7-B9

--

--

Not Used

B10

WH

81

Driver Mirror Motor Right Control

B11

L-BU

82

Driver Mirror Motor Left/Up Control

B12

L-GN

89

Driver Mirror Motor Down Control

Memory Seat Module C4 (A43)


Object Number: 73156  Size: CH

Connector Part Information

  • OEM: 12110088
  • Service: 12110088
  • Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Memory Seat Module C4 (A43)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

PU

616

Memory 2 Switch Signal

A3

WH

615

Memory 1 Switch Signal

A4-A5

--

--

Not Used

A6

L-GN

911

Driver Seat Horizontal Rearward Switch Signal

A7

TN

912

Driver Seat Horizontal Forward Switch Signal

A8

L-BU

910

Driver Seat Rear Vertical Down Switch Signal

A9

YE

909

Driver Seat Rear Vertical Up Switch Signal

A10

WH

950

Driver Seat Front Vertical Down Switch Signal

A11

GY

913

Driver Seat Front Vertical Up Switch Signal

A12

--

--

Not Used

B1

BN/WH

1048

Class 2 Serial Data

B2-B3

--

--

Not Used

B4

TN/WH

914

Mirror Switch Supply Voltage

B5

OG

908

Driver Seat Switch Supply Voltage

B6

--

--

Not Used

B7

RD/WH

1513

Passenger Mirror Switch Right Signal

B8

WH

1512

Driver Mirror Switch Right Signal

B9

PU/WH

1515

Passenger Mirror Switch Down Signal

B10

L-GN

1514

Driver Mirror Switch Down Signal

B11

YE

1496

Mirror Motor Left/Up Control

B12

--

--

Not Used

Memory Seat Switch (A43)


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: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Memory Seat Switch (A43)

Pin

Wire Color

Circuit No.

Function

A

WH

615

Memory 1 Switch Signal

B

PU

616

Memory 2 Switch Signal

C

BK

550

Ground

D

GY

8

Instrument Panel Lamp Supply Voltage

Seat Adjuster Motor Assembly - Driver (AG1) or Seat Adjuster Motor Assembly - Driver C1 (A43)


Object Number: 62456  Size: CH

Connector Part Information

  • OEM: 12064752
  • Service: 15305888
  • Description: 6-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12015858/4
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Seat Adjuster Motor Assembly - Driver (AG1) or Seat Adjuster Motor Assembly - Driver C1 (A43)

Pin

Wire Color

Circuit No.

Function

A

TN

285

Driver Seat Horizontal Motor Forward Control

B

L-GN

284

Driver Seat Horizontal Motor Rearward Control

C

D-GN

286

Driver Seat Front Vertical Motor Up Control

D

D-BU

287

Driver Seat Front Vertical Motor Down Control

E

YE

282

Driver Seat Rear Vertical Motor Up Control

F

L-BU

283

Driver Seat Rear Vertical Motor Down Control

Seat Adjuster Motor Assembly - Driver C2 (A43)


Object Number: 40422  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Seat Adjuster Motor Assembly - Driver C2 (A43)

Pin

Wire Color

Circuit No.

Function

A

OG

917

5-Volt Reference

B

BK

918

Low Reference

C

BN/WH

919

Driver Seat Front Vertical Position Sensor Signal

D

TN

920

Driver Seat Rear Vertical Position Sensor Signal

E

L-GN

921

Driver Seat Horizontal Position Sensor Signal

F

--

--

Not Used

Seat Adjuster Motor Assembly - Passenger (AG2)


Object Number: 62456  Size: CH

Connector Part Information

  • OEM: 12064752
  • Service: 15305888
  • Description: 6-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12015858/4
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Seat Adjuster Motor Assembly - Passenger (AG2)

Pin

Wire Color

Circuit No.

Function

A

TN

285

Passenger Seat Horizontal Motor Forward Control

B

L-GN

284

Passenger Seat Horizontal Motor Rearward Control

C

D-GN

286

Passenger Seat Front Vertical Motor Up Control

D

D-BU

287

Passenger Seat Front Vertical Motor Down Control

E

YE

282

Passenger Seat Rear Vertical Motor Up Control

F

L-BU

283

Passenger Seat Rear Vertical Motor Down Control

Seat Adjuster Switch - Driver (A43)


Object Number: 542307  Size: CH

Connector Part Information

  • OEM: 15326928
  • Service: 15306176
  • Description: 8-Way M GT 280 Series (BK)

Terminal Part Information

  • Pins: A, B, C, D, F
  • Terminal/Tray: 15304722/8
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)
  • Pins: E, G
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)

Seat Adjuster Switch - Driver (A43)

Pin

Wire Color

Circuit No.

Function

A

OG

908

Driver Seat Switch Supply Voltage

B

YE

909

Driver Seat Rear Vertical Up Switch Signal

C

L-BU

910

Driver Seat Rear Vertical Down Switch Signal

D

L-GN

911

Driver Seat Horizontal Rearward Switch Signal

E

TN

912

Driver Seat Horizontal Forward Switch Signal

F

GY

913

Driver Seat Front Vertical Up Switch Signal

G

WH

950

Driver Seat Front Vertical Down Switch Signal

H

--

--

Not Used

Seat Adjuster Switch - Driver (AG1)


Object Number: 542307  Size: CH

Connector Part Information

  • OEM: 15326928
  • Service: 15306176
  • Description: 8-Way M GT 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: A/D
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)

Seat Adjuster Switch - Driver (AG1)

Pin

Wire Color

Circuit No.

Function

A

OG

1140

Battery Positive Voltage

B

YE

282

Driver Seat Rear Vertical Motor Up Control

C

L-BU

283

Driver Seat Rear Vertical Motor Down Control

D

L-GN

284

Driver Seat Horizontal Motor Rearward Control

E

TN

285

Driver Seat Horizontal Motor Forward Control

F

D-GN

286

Driver Seat Front Vertical Motor Up Control

G

D-BU

287

Driver Seat Front Vertical Motor Down Control

H

BK

550

Ground

Seat Adjuster Switch - Passenger (AG2)


Object Number: 542307  Size: CH

Connector Part Information

  • OEM: 15326928
  • Service: 15306176
  • Description: 8-Way M GT 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: A/D
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)

Seat Adjuster Switch - Passenger (AG2)

Pin

Wire Color

Circuit No.

Function

A

OG

1140

Battery Positive Voltage

B

YE

282

Passenger Seat Rear Vertical Motor Up Control

C

L-BU

283

Passenger Seat Rear Vertical Down Control

D

L-GN

284

Passenger Seat Horizontal Motor Rearward Control

E

TN

285

Passenger Seat Horizontal Motor Forward Control

F

D-GN

286

Passenger Seat Front Vertical Motor Up Control

G

D-BU

287

Passenger Seat Front Vertical Motor Down Control

H

BK

750

Ground