GM Service Manual Online
For 1990-2009 cars only
Table 1: I/P Switch Assembly C2
Table 2: Memory Seat and Mirror Module C1 (A43)
Table 3: Memory Seat and Mirror Module C2 (A43)
Table 4: Memory Seat and Mirror Module C3 (A43)
Table 5: Memory Seat and Mirror Module C4 (A43)
Table 6: Memory Seat and Mirror Switch (A43)
Table 7: Seat Adjuster Motor Assembly - Driver (AG1)
Table 8: Seat Adjuster Motor Assembly - Front Passenger (AG2)
Table 9: Seat Adjuster Switch - Driver (w/o A43)
Table 10: Seat Adjuster Switch - Driver (A43)
Table 11: Seat Adjuster Switch - Front Passenger
Table 12: Seat Front Vertical Motor Position Sensor - Driver (A43)
Table 13: Seat Horizontal Motor Position Sensor - Driver (A43)
Table 14: Seat Rear Vertical Motor Position Sensor - Driver (A43)

I/P Switch Assembly C2


Object Number: 73235  Size: CH

Connector Part Information

    • 12047976
    • 8-Way F Metri-Pack 280 Series (BU)

Pin

Wire Color

Circuit No.

Function

A

GY

8

Instrument Panel Lamp Supply Voltage - 1

B

BK

150

Ground

C

L-GN

911

Rear Defog Relay Coil Supply Voltage

D

L-BU

1462

Driver Heated Seat Switch Signal

E

L-BU/BK

1505

Front Passenger Heated Seat Switch Signal

F-H

--

--

Not Used

Memory Seat and Mirror Module C1 (A43)


Object Number: 38596  Size: CH

Connector Part Information

    • 12020557
    • 3-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BK

550

Ground

C

OG

1140

Battery Positive Voltage

Memory Seat and Mirror Module C2 (A43)


Object Number: 62469  Size: CH

Connector Part Information

    • 12064998
    • 8-Way F Metri-Pack 280 Series (BK)

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 and Mirror Module C3 (A43)


Object Number: 130690  Size: CH

Connector Part Information

    • 12110206
    • 24-Way F Micro-Pack 100 Series (L-BU)

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 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 Control

B12

L-GN

89

Driver Mirror Motor Down Control

Memory Seat and Mirror Module C4 (A43)


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GY)

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

915

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 and Mirror Switch (A43)


Object Number: 39660  Size: CH

Connector Part Information

    • 12047785
    • 4-Way F Metri-Pack 150 Series (BK)

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)


Object Number: 62456  Size: CH

Connector Part Information

    • 12064752
    • 6-Way F Metri-Pack 280 Series (BK)

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

GY

286

Driver Seat Front Vertical Motor Up Control

D

WH

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 - Front Passenger (AG2)


Object Number: 62456  Size: CH

Connector Part Information

    • 12064752
    • 6-Way F Metri-Pack 280 Series (BK)

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 Switch - Driver (w/o A43)


Object Number: 542307  Size: CH

Connector Part Information

    • 15326928
    • 8-Way M 280 GT (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1140

Battery Positive Voltage

B

YE

282

Driver Seat Rear Vertical Up Switch Signal

C

L-BU

283

Driver Seat Rear Vertical Down Switch Signal

D

L-GN

284

Driver Seat Horizontal Rearward Switch Signal

E

TN

285

Driver Seat Horizontal Forward Switch Signal

F

D-GN

286

Driver Seat Front Vertical Up Switch Signal

G

D-BU

287

Driver Seat Front Vertical Down Switch Signal

H

BK

550

Ground

Seat Adjuster Switch - Driver (A43)


Object Number: 542307  Size: CH

Connector Part Information

    • 15326928
    • 8-Way M 280 GT (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

908

Battery Positive 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 - Front Passenger


Object Number: 542307  Size: CH

Connector Part Information

    • 15326928
    • 8-Way M 280 GT (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

1140

Battery Positive Voltage

B

YE

282

Driver Seat Rear Vertical Motor Down

C

L-BU

283

Driver Seat Rear Vertical Motor Up

D

L-GN

284

Driver Seat Horizontal Motor Rearward

E

TN

285

Driver Seat Horizontal Motor Forward

F

D-GN

286

Driver Seat Front Vertical Motor Up

G

D-BU

287

Driver Seat Front Vertical Motor Down

H

BK

550

Ground

Seat Front Vertical Motor Position Sensor - Driver (A43)


Object Number: 900006  Size: CH

Connector Part Information

    • 104257-2
    • 3-Way F Amp (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

-

5-Volt Reference

B

BN/WH

-

Front Vertical Seat Motor Position Sensor Signal

C

OG

-

Low Reference

Seat Horizontal Motor Position Sensor - Driver (A43)


Object Number: 900006  Size: CH

Connector Part Information

    • 104257-2
    • 3-Way F Amp (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

-

5-Volt Reference

B

L-GN

-

Horizontal Seat Motor Position Sensor Signal

C

OG

-

Low Reference

Seat Rear Vertical Motor Position Sensor - Driver (A43)


Object Number: 900006  Size: CH

Connector Part Information

    • 104257-2
    • 3-Way F Amp (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

-

5-Volt Reference

B

TN

-

Front Vertical Seat Motor Position Sensor Signal

C

OG

-

Low Reference