GM Service Manual Online
For 1990-2009 cars only
Table 1: Heated Seat Assembly - Driver (C308)
Table 2: Heated Seat Assembly - Front Passenger (C309)
Table 3: Lumbar Motor, LH Connector
Table 4: Lumbar Motor, RH Connector
Table 5: Lumbar Switch, LH Connector
Table 6: Lumbar Switch, RH Connector
Table 7: Power Seat Adjuster Switch, LH (6-Way)
Table 8: Power Seat Adjuster Switch, RH (6-Way)
Table 9: Power Seat Adjuster Switch, LH Connector C1 (8-Way, Non-Memory)
Table 10: Power Seat Adjuster Switch, RH Connector C1 (8-Way, Non-Memory)
Table 11: Power Seat Adjuster Switch, LH Connector C2 (8-Way, Non-Memory)
Table 12: Power Seat Adjuster Switch, RH Connector C2 (8-Way, Non-Memory)
Table 13: Power Seat Adjuster Switch, LH/RH Connector (w/ Memory Seat)
Table 14: Seat Belt Switch - Front Passenger
Table 15: Seat Belt Switch, LH
Table 16: Seat Memory Module, Connector C1
Table 17: Seat Memory Module Connector, C2
Table 18: Seat Memory Module Connector, C3
Table 19: Seat Recliner Motor and Transducer Connector
Table 20: Seat Rear Height Motor, LH Connector
Table 21: Seat Rear Height Motor, RH Connector
Table 22: Seat Rear Height Transducer Connector
Table 23: Seat Lateral Motor, LH Connector
Table 24: Seat Lateral Motor, RH Connector
Table 25: Seat Lateral Transducer Connector
Table 26: Seat Front Height Motor, LH Connector
Table 27: Seat Front Height Motor, RH Connector
Table 28: Seat Front Height Transducer Connector

Heated Seat Assembly - Driver (C308)


Object Number: 39661  Size: CH

Connector Part Information

    • 12047786
    • 4-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

2240

Heated Seat Signal - High/Low

B

BLK

1350

Ground

C

PNK

1501

Fuse Output Battery

D

--

--

Not Used

Heated Seat Assembly - Front Passenger (C309)


Object Number: 39661  Size: CH

Connector Part Information

    • 12047786
    • 4-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

2240

Heated Seat Signal - High/Low

B

BLK

1350

Ground

C

PNK

1501

Fuse Output Battery

D

--

--

Not Used

Lumbar Motor, LH Connector


Object Number: 38274  Size: CH

Connector Part Information

    • 12034343
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

611

Power Seat Motor Feed - Driver Lumbar - Out

B

PNK

610

Power Seat Motor Feed - Driver Lumbar - In

Lumbar Motor, RH Connector


Object Number: 38274  Size: CH

Connector Part Information

    • 12034343
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

211

Power Seat Motor Feed - Passenger Lumbar - Out

B

WHT

210

Power Seat Motor Feed - Passenger Lumbar - In

Lumbar Switch, LH Connector


Object Number: 62434  Size: CH

Connector Part Information

    • 12045688
    • 8-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1350

Ground

B

PNK

1501

Heated Seat Signal - Driver - High/Low

C

BRN

41

Fuse Output - Ignition

D

--

--

Not Used

E

BLK

1350

Ground

F

DK BLU

611

Power Seat Motor Feed - Driver Lumbar - Out

G

PNK

610

Power Seat Motor Feed - Driver Lumbar - In

H

ORN

1440

Fuse Output - Battery

Lumbar Switch, RH Connector


Object Number: 62434  Size: CH

Connector Part Information

    • 12045688
    • 8-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1350

Ground

B

PNK

1501

Heated Seat Signal - Driver - High/Low

C

BRN

41

Fuse Output - IGN

D

--

--

Not Used

E

BLK

1350

Ground

F

DK BLU

211

Power Seat Motor Feed - Passenger Lumbar - Out

G

WHT

210

Power Seat Motor Feed - Passenger Lumbar - In

H

ORN

2240

Fuse Output - Battery

Power Seat Adjuster Switch, LH (6-Way)


Object Number: 62469  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1440

Fuse Output - Battery

B

LT BLU

283

Power Seat Motor Feed - Driver - Rear Vertical Down

C

YEL

282

Power Seat Motor Feed - Driver - Rear Vertical Up

D

BLK

1350

Ground

E

DK BLU

287

Power Seat Motor Feed - Drivers - Front Vertical Down

F

DK GRN

286

Power Seat Motor Feed - Drivers - Front Vertical Up

G

LT GRN

284

Power Seat Motor Feed - Driver - Horizontal Aft

H

TAN

285

Power Seat Motor Feed - Driver - Horizontal Foreward

Power Seat Adjuster Switch, RH (6-Way)


Object Number: 62469  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1440

Fuse Output - Battery

B

LT BLU

289

Power Seat Motor Feed - Passenger - Rear Vertical Down

C

YEL

288

Power Seat Motor Feed - Passenger - Rear Vertical Up

D

BLK

1350

Ground

E

DK BLU

288

Power Seat Motor Feed - Passenger - Front Vertical Down

F

DK GRN

287

Power Seat Motor Feed - Passenger - Front Vertical Up

G

LT GRN

290

Power Seat Motor Feed - Passenger - Horizontal Aft

H

TAN

286

Power Seat Motor Feed - Passenger - Horizontal Fore

Power Seat Adjuster Switch, LH Connector C1 (8-Way, Non-Memory)


Object Number: 362754  Size: CH

Connector Part Information

    • 12015416
    • 8-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

1440

Fuse Output - Battery

B

YEL

282

Power Seat Motor Feed - Driver - Rear Vertical Up

C

LT BLU

283

Power Seat Motor Feed - Driver - Rear Vertical Down

D

LT GRN

284

Power Seat Motor Feed - Driver - Horizontal Aft

E

TAN

285

Power Seat Motor Feed - Driver - Horizontal Foreward

F

DK GRN

286

Power Seat Motor Feed - Drivers - Front Vertical Up

G

DK BLU

287

Power Seat Motor Feed - Drivers - Front Vertical Down

H

BLK

1350

Ground

Power Seat Adjuster Switch, RH Connector C1 (8-Way, Non-Memory)


Object Number: 362754  Size: CH

Connector Part Information

    • 12015416
    • 8-Way F Metri - pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

1440

Fuse Output - Battery

B

YEL

288

Power Seat Motor Feed - Passenger - Rear Vehicle Up

C

LT BLU

289

Power Seat Motor Feed - Passenger - Rear Vehicle Down

D

LT GRN

290

Power Seat Motor Feed - Passenger - Horizontal Aft

E

TAN

296

Power Seat Motor Feed - Passenger - Horizontal Foreward

F

DK GRN

297

Power Seat Motor Feed - Passenger - Front Vertical Up

G

DK BLU

298

Power Seat Motor Feed - Passenger - Front Vertical Down

H

BLK

1350

Ground

Power Seat Adjuster Switch, LH Connector C2 (8-Way, Non-Memory)


Object Number: 38274  Size: CH

Connector Part Information

    • 12015199
    • 2-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

277

Power Seat Motor Feed - Driver - Recline Aft

B

LT GRN

276

Power Seat Motor Feed - Driver - Recline Forward

Power Seat Adjuster Switch, RH Connector C2 (8-Way, Non-Memory)


Object Number: 38274  Size: CH

Connector Part Information

    • 12015199
    • 2-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

77

Power Seat Motor Feed - Passenger - Recline Aft

B

DK GRN

76

Power Seat Motor Feed - Passenger - Recline Forward

Power Seat Adjuster Switch, LH/RH Connector (w/ Memory Seat)


Object Number: 401382  Size: CH

Connector Part Information

    • 174045-2
    • 12 Way F Amp Connector (BLK)

Pin

Wire Color

Circuit No.

Function

1

DK GRN

1518

Power Seat Switch Signal - Front Vertical Up

2

DK BLU

1520

Power Seat Switch Signal - Front Vertical Down

3

LT GRN

1523

Power Seat Switch Signal - Horizontal Aft

4

TAN

1522

Power Seat Switch Signal - Horizontal Foreward

5

LT BLU

1521

Power Seat Switch Signal - Rear Vertical Down

6

GRY/BLK

1269

Power Seat Switch Signal - Recline Up

7

YEL

1519

Power Seat Switch Signal - Rear Vertical Up

8

DK GRN/WHT

1270

Power Seat Switch Signal - Recline Down

9

BLK

1350

Ground

10

ORN

614

Memory Seat Switch Signal - Set

11

WHT

615

Memory Seat Switch Signal - Memory 1

12

PPL

616

Memory Seat Switch Signal - Memory 2

Seat Belt Switch - Front Passenger


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2 M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

238

Seat Belt Switch - Front Passenger

B

BLK

1350

Ground

Seat Belt Switch, LH


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2 M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

238

Seat Belt Switch - Driver

B

BLK

1350

Ground

Seat Memory Module, Connector C1


Object Number: 401670  Size: CH

Connector Part Information

    • 43025-1800
    • 18-Way Molex

Pin

Wire Color

Circuit No.

Function

1

DK GRN/WHT

1270

Power Seat Switch Signal - Recline Back

2

GRY/BLK

1269

Power Seat Switch Signal - Recline Forward

3

LT GRN

1523

Power Seat Switch Signal - Horizontal Back

4

TAN

1522

Power Seat Switch Signal - Horizontal Forward

5

LT BLU

1521

Power Seat Switch Signal - Rear Vertical Down

6

YEL

1519

Power Seat Switch Signal - Rear Vertical Up

7

DK BLU

1520

Power Seat Switch Signal - Front Vertical Down

8

Dk GRN

1518

Power Seat Switch Signal - Front Vertical Up

9

PPL

616

Memory Seat Switch Signal - Memory 2

10

WHT

615

Memory Seat Switch Signal - Memory 1

11

ORN

614

Memory Seat Switch Signal - Set

12

DK GRN

569

Memory Seat Position Sensor Signal - Horizontal

13

BRN/WHT

1048

Serial Data Signal - Class B - 10400 Baud - diagnostic

14

ORN/BLK

557

Memory Seat Position Sensor Signal - Front Vertical

15

RED

569

5 Volt Reference

16

BLK

569

Sensor Ground

17

TAN

568

Memory Seat Position Sensor Signal - Rear Vertical

18

WHT/BLK

570

Memory Seat Position Sensor Signal - Driver Recliner

Seat Memory Module Connector, C2


Object Number: 62469  Size: CH

Connector Part Information

    • 12064998
    • 8-Way M Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

287

Power Seat Motor Feed - Driver - Front Vertical Down

B

DK GRN

286

Power Seat Motor Feed - Driver - Front Vertical Up

C

YEL

282

Power Seat Motor Feed - Driver - Rear Vertical Up

D

LT BLU

283

Power Seat Motor Feed - Driver - Rear Vertical Down

E

LT BLU

277

Power Seat Motor Feed Recline - Backward

F

LT GRN

276

Power Seat Motor Feed Recline - Forward

G

LT GRN

284

Power Seat Motor Feed Horizontal - Backward

H

TAN

285

Power Seat Motor Feed Horizontal - Forward

Seat Memory Module Connector, C3


Object Number: 38274  Size: CH

Connector Part Information

    • 12034343
    • 2 Way F 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1350

Ground

B

ORG

1440

Fuse output Battery

Seat Recliner Motor and Transducer Connector


Object Number: 39667  Size: CH

Connector Part Information

    • 12129135
    • 4 Way Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

277

Power Seat Motor Feed - Driver - Recline Aft

B

LT GRN

276

Power Seat Motor Feed - Driver - Recline Forward

C

BLK

570

Memory Seat Position Sensor

D

WHT/BLK

570

Memory Seat Position Sensor

Seat Rear Height Motor, LH Connector


Object Number: 130707  Size: CH

Connector Part Information

    • 12020556
    • 2 Way F Metri-Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

282

Power Seat Motor Feed - Driver - Rear Vertical UP

B

LT BLU

283

Power Seat Motor Feed - Driver - Rear Vertical Down

Seat Rear Height Motor, RH Connector


Object Number: 130707  Size: CH

Connector Part Information

    • 12020556
    • 2 Way F Metri-Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

289

Power Seat Motor Feed - Passenger - Rear Vertical Up

B

YEL

288

Power Seat Motor Feed - Passenger - Rear Vertical Down

Seat Rear Height Transducer Connector


Object Number: 401671  Size: CH

Connector Part Information

    • 12059612
    • 3 Way F 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

BLK

568

Memory Seat Position Sensor Signal

2

TAN

568

Memory Seat Position Sensor Signal

3

BLK

568

Memory Seat Position Sensor Signal

Seat Lateral Motor, LH Connector


Object Number: 130707  Size: CH

Connector Part Information

    • 12020556
    • 2 Way F Metri -Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

Tan

285

Power Seat Motor Feed - Driver - Horizontal Forward

B

LT GRN

284

Power Seat Motor - Driver - Horizontal Aft

Seat Lateral Motor, RH Connector


Object Number: 130707  Size: CH

Connector Part Information

    • 12020556
    • 2 Way F Metri-Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

290

Power Seat Motor Feed - Passenger - Horizontal Aft

B

TAN

296

Power Seat Motor Feed - Passenger - Horizontal Forward

Seat Lateral Transducer Connector


Object Number: 401671  Size: CH

Connector Part Information

    • 12059612
    • 3 Way F 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

RED

569

Memory Seat Position Sensor Signal

2

DK GRN

569

Memory Seat Position Sensor Signal

3

BLK

569

Memory Seat Position Sensor Signal

Seat Front Height Motor, LH Connector


Object Number: 130707  Size: CH

Connector Part Information

    • 12020556
    • 2 Way F Metri Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

287

Power Seat Motor Feed - Driver - Front Vertical Down

B

DK GRN

286

Power Sear Motor Feed - Driver - Front Vertical Up

Seat Front Height Motor, RH Connector


Object Number: 130707  Size: CH

Connector Part Information

    • 12020556
    • 2 Way F Metri Pack 480 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

297

Power Seat Motor Feed - Passenger - Front Vertical Up

B

DK BLU

298

Power Seat Motor Feed - Passenger -Front Vertical Down

Seat Front Height Transducer Connector


Object Number: 401671  Size: CH

Connector Part Information

    • 12059612
    • 3 Way F 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

BLK

557

Memory Seat Position Sensor Signal

2

ORN/BLK

557

Memory Seat Position Sensor Signal

3

RED

557

Memory Seat Position Sensor Signal