GM Service Manual Online
For 1990-2009 cars only
Table 1: Seat Adjuster Switch -- Driver
Table 2: Seat Adjuster Switch -- Front Passenger
Table 3: Seat Control Module (SCM) -- Driver C1 (Telescopic and Memory)
Table 4: Seat Control Module (SCM) -- Driver C2 (Telescopic and Memory)
Table 5: Seat Control Module (SCM) -- Driver C3 (Telescopic and Memory)
Table 6: Seat Lower Motor -- Driver C1
Table 7: Seat Lower Motor -- Driver C2 (Memory and Telescopic)
Table 8: Seat Lower Motor -- Driver C3 (Memory and Telescopic)
Table 9: Seat Lower Motor -- Driver C4 (Memory and Telescopic)
Table 10: Seat Lower Motor -- Front Passenger
Table 11: Seat Pump -- Driver
Table 12: Seat Pump -- Front Passenger
Table 13: Seat Relay Center -- Driver C1
Table 14: Seat Relay Center -- Driver C2
Table 15: Seat Relay Center -- Driver C3
Table 16: Seat Relay Center -- Front Passenger C1
Table 17: Seat Relay Center -- Front Passenger C2
Table 18: Seat Relay Center -- Front Passenger C3

Seat Adjuster Switch -- Driver


Object Number: 333020  Size: CH

Connector Part Information

    • 12160773
    • 26-Way F (NAT)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

1520

Power Seat Front Vertical Down Switch Signal

2

--

--

Not Used

3

YEL

1519

Power Seat Rear Vertical Up Switch Signal

4

--

--

Not Used

5

GRY

764

Driver Seat Deflate Relay Control

6

--

--

Not Used

7

GRY/BLK

1798

Low Reference

8

--

--

Not Used

9

GRY/BLK

466

Driver Seat Lumbar Rearward Relay Control

10

--

--

Not Used

11

PNK

789

Driver Seat Pneumatic Lower Lumbar Solenoid Control

12

--

--

Not Used

13

BRN

617

Entire Seat Rearward Switch Signal

14

GRY

613

Entire Seat Forward Switch Signal

15

--

--

Not Used

16

YEL

777

Driver Seat Pneumatic Upper Lumbar Solenoid Control

17

--

--

Not Used

18

PPL

765

Driver Seat Pneumatic Lateral Solenoid Control

19

--

--

Not Used

20

ORN

1740

Battery Positive Voltage

21

--

--

Not Used

22

YEL

386

Driver Seat Lumbar Down Relay Control

23

--

--

Not Used

24

LT BLU

1521

Power Seat Rear Vertical Down Switch Signal

25

--

--

Not Used

26

DK GRN

1518

Power Seat Front Vertical Up Switch Signal

Seat Adjuster Switch -- Front Passenger


Object Number: 333020  Size: CH

Connector Part Information

    • 12160773
    • 26-Way F (NAT)

Pin

Wire Color

Circuit No.

Function

1

DK GRN

1518

Power Seat Front Vertical Up Switch Signal

2

--

--

Not Used

3

LT BLU

1521

Power Seat Rear Vertical Down Switch Signal

4

--

--

Not Used

5

YEL

757

Passenger Seat Lumbar Down Relay Control

6

--

--

Not Used

7

GRY/BLK

1798

Ground

8

--

--

Not Used

9

PNK

1265

Passenger Seat Lateral Pneumatic Solenoid Control

10

--

--

Not Used

11

ORN

1261

Passenger Seat Upper Lumbar Pneumatic Solenoid Control

12

--

--

Not Used

13

BRN

617

Entire Seat Rearward Switch Signal

14

GRY

613

Entire Seat Forward Switch Signal

15

--

--

Not Used

16

LT BLU

1259

Passenger Seat Lower Lumbar Pneumatic Solenoid Control

17

--

--

Not Used

18

GRY/BLK

758

Passenger Seat Lumbar Rearward Relay Control

19

--

--

Not Used

20

ORN

1140

Battery Positive Voltage

21

--

--

Not Used

22

GRY

1805

Passenger Pneumatic Seat Deflate Relay Control

23

--

--

Not Used

24

YEL

1519

Power Seat Rear Vertical Up Switch Signal

25

--

--

Not Used

26

DK BLU

1520

Power Seat Front Vertical Down Switch Signal

Seat Control Module (SCM) -- Driver C1 (Telescopic and Memory)


Object Number: 333020  Size: CH

Connector Part Information

    • 12160773
    • 26-Way F (NAT)
    • TPA (RED)

Pin

Wire Color

Circuit No.

Function

1

YEL

1519

Power Seat Front Vertical Up Switch Signal

2

GRY

613

Entire Seat Forward Switch Signal

3

ORN

1740

Battery Positive Voltage

4

ORN

2153

Steering Column Telescope Motor Signal

5

--

--

Not Used

6

BRN/WHT

557

Front Vertical Seat Motor Position Sensor Signal

7

--

--

Not Used

8

GRY/BLK

1798

Low Reference

9

BRN/WHT

1048

SCM (Seat) Class 2 Serial Data

10

--

--

Not Used

11

ORN

2095

Steering Column Tilt and Telescope Reverse Switch Signal

12

LT BLU

1521

Power Seat Rear Vertical Down Switch Signal

13

PPL

1985

5 Volt Reference

14

PNK

2094

Steering Column Tilt and Telescope Forward Switch Signal

15

BRN

617

Entire Seat Rearward Switch Signal

16

DK GRN

1518

Power Seat Front Vertical Up Switch Signal

17

DK BLU

1520

Power Seat Front Vertical Down Switch Signal

18

TAN

568

Vertical Seat Motor Position Sensor Signal

19

DK GRN

569

Horizontal Seat Motor Position Sensor Signal

20

--

--

Not Used

21

BLK

782

Memory Seat/Mirror Sensor Low Reference

22-26

--

--

Not Used

Seat Control Module (SCM) -- Driver C2 (Telescopic and Memory)


Object Number: 62480  Size: CH

Connector Part Information

    • 12089527
    • 6-Way F Metri-Pack 280 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BLK

2110

Steering Column Telescope Motor Reverse

C

BLK

150

Ground

D

TAN

285

Driver Seat Horizontal Motor Forward Control

E

DK GRN

286

Driver Seat Front Vertical Motor Up Control

F

YEL

282

Driver Seat Rear Vertical Motor Up Control

F

LT BLU

283

Driver Seat Rear Vertical Motor Down Control (W/ Telescopic)

Seat Control Module (SCM) -- Driver C3 (Telescopic and Memory)


Object Number: 62456  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1840

Battery Positive Voltage

B

LT GRN

284

Driver Seat Horizontal Motor Rearward Control

B

YEL

282

Driver Seat Rear Vertical Motor Up Control (W/ Telescopic)

C

DK BLU

287

Driver Seat Front Vertical Motor Down Control

D

LT BLU

283

Driver Seat Rear Vertical Motor Down Control

D

RED

2098

Steering Column Telescope Motor Forward (W/ Telescopic)

E

LT GRN

284

Driver Seat Horizontal Motor Rearward Control

F

--

--

Not Used

Seat Lower Motor -- Driver C1


Object Number: 39689  Size: CH

Connector Part Information

    • 12064754
    • 6-Way M Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

285

Driver Seat Horizontal Motor Forward Control

B

LT GRN

284

Driver Seat Horizontal Motor Rearward Control

C

DK GRN

286

Driver Seat Front Vertical Motor Up Control

D

DK BLU

287

Driver Seat Front Vertical Motor Down Control

E

YEL

282

Driver Seat Rear Vertical Motor Up Control

F

LT BLU

283

Driver Seat Rear Vertical Motor Down Control

Seat Lower Motor -- Driver C2 (Memory and Telescopic)


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1985

5 Volt Reference

B

DK GRN

569

Horizontal Seat Motor Position Sensor Signal

C

BLK

782

Memory Seat/Mirror Sensor Low Reference

Seat Lower Motor -- Driver C3 (Memory and Telescopic)


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

782

Memory Seat/Mirror Sensor Low Reference

B

BRN/WHT

557

Front Vertical Seat Motor Position Sensor Signal

C

PPL

1985

5 Volt Reference

Seat Lower Motor -- Driver C4 (Memory and Telescopic)


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

782

Memory Seat/Mirror Sensor Low Reference

B

TAN

568

Rear Vertical Seat Motor Position Sensor Signal

C

PPL

1985

5 Volt Reference

Seat Lower Motor -- Front Passenger


Object Number: 39689  Size: CH

Connector Part Information

    • 12064754
    • 6-Way M Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

285

Driver Seat Horizontal Motor Forward Control

B

LT GRN

284

Driver Seat Horizontal Motor Rearward Control

C

DK GRN

286

Driver Seat Front Vertical Motor Up Control

D

DK BLU

287

Driver Seat Front Vertical Motor Down Control

E

YEL

282

Driver Seat Rear Vertical Motor Up Control

F

LT BLU

283

Driver Seat Rear Vertical Motor Down Control

Seat Pump -- Driver


Object Number: 153651  Size: CH

Connector Part Information

    • 12064770
    • 10-Way M Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

Not Used

C

YEL

386

Driver Seat Lumbar Down Relay Control

D

GRY

764

Driver Seat Deflate Relay Control

E

GRY/BLK

466

Driver Seat Inflate Relay Control

F

PPL

765

Driver Seat Pneumatic Lateral Solenoid Control

G

YEL

777

Driver Seat Pneumatic Upper Lumbar Solenoid Control

H

PNK

789

Driver Seat Pneumatic Lower Lumbar Solenoid Control

J

Not Used

K

ORN

1140

Battery Positive Voltage

Seat Pump -- Front Passenger


Object Number: 153651  Size: CH

Connector Part Information

    • 12064770
    • 10-Way M Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

Not Used

C

YEL

757

Passenger Seat Lumbar Down Relay Control

D

GRY

1805

Passenger Pneumatic Seat Deflate Relay Control

E

GRY/BLK

758

Passenger Seat Lumbar Rearward Relay Control

F

PNK

1265

Passenger Seat Lateral Pneumatic Solenoid Control

G

ORN

1261

Passenger Seat Upper Lumbar Pneumatic Solenoid Control

H

LT BLU

1259

Passenger Seat Lower Lumbar Pneumatic Solenoid Control

J

Not Used

K

ORN

1140

Battery Positive Voltage

Seat Relay Center -- Driver C1


Object Number: 333020  Size: CH

Connector Part Information

    • 12160773
    • 26-Way F (RED)

Pin

Wire Color

Circuit No.

Function

1

YEL

1519

Power Seat Front Vertical Up Switch Signal

2

GRY

613

Entire Seat Forward Switch Signal

3

ORN

1740

Battery Positive Voltage

4-7

--

--

Not Used

8

GRY/BLK

1798

Low Reference

9-11

--

--

Not Used

12

LT BLU

1521

Power Seat Rear Vertical Down Switch Signal

13-14

--

--

Not Used

15

BRN

617

Entire Seat Rearward Switch Signal

16

DK GRN

1518

Power Seat Front Vertical Up Switch Signal

17

DK BLU

1520

Power Seat Front Vertical Down Switch Signal

18-26

--

--

Not Used

Seat Relay Center -- Driver C2


Object Number: 62480  Size: CH

Connector Part Information

    • 12089527
    • 6-Way F Metri-Pack 280 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BLK

150

Ground

D

TAN

285

Driver Seat Horizontal Motor Forward Control

E

DK GRN

286

Driver Seat Front Vertical Motor Up Control

F

YEL

282

Driver Seat Rear Vertical Motor Up Control

Seat Relay Center -- Driver C3


Object Number: 62456  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1840

Battery Positive Voltage

B

LT GRN

284

Driver Seat Horizontal Motor Rearward Control

C

DK BLU

287

Driver Seat Front Vertical Motor Down Control

D

LT BLU

283

Driver Seat Rear Vertical Motor Down Control

E-F

--

--

Not Used

Seat Relay Center -- Front Passenger C1


Object Number: 333020  Size: CH

Connector Part Information

    • 12160773
    • 26-Way F (RED)

Pin

Wire Color

Circuit No.

Function

1

YEL

1519

Power Seat Front Vertical Up Switch Signal

2

GRY

613

Entire Seat Forward Switch Signal

3

ORN

1140

Battery Positive Voltage

4-7

--

--

Not Used

8

GRY/BLK

1798

Low Reference

9-11

--

--

Not Used

12

LT BLU

1521

Power Seat Rear Vertical Down Switch Signal

13-14

--

--

Not Used

15

BRN

617

Entire Seat Rearward Switch Signal

16

DK GRN

1518

Power Seat Front Vertical Up Switch Signal

17

DK BLU

1520

Power Seat Front Vertical Down Switch Signal

18-26

--

--

Not Used

Seat Relay Center -- Front Passenger C2


Object Number: 62480  Size: CH

Connector Part Information

    • 12089527
    • 6-Way F Metri-Pack 280 Series (LT GRN)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BLK

150

Ground

D

TAN

285

Driver Seat Horizontal Motor Forward Control

E

DK GRN

286

Driver Seat Front Vertical Motor Up Control

F

YEL

282

Driver Seat Rear Vertical Motor Up Control

Seat Relay Center -- Front Passenger C3


Object Number: 62456  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1440

Battery Positive Voltage

B

LT GRN

284

Driver Seat Horizontal Motor Rearward Control

C

DK BLU

287

Driver Seat Front Vertical Motor Down Control

D

LT BLU

283

Driver Seat Rear Vertical Motor Down Control

E-F

--

--

Not Used