GM Service Manual Online
For 1990-2009 cars only
Table 1: Seat Adjuster Switch
Table 2: Seat Control Module(SCM) - C1
Table 3: Seat Control Module(SCM) - C2
Table 4: Seat Control Module(SCM) - C3
Table 5: LH Seat Upper Motor - C1
Table 6: LH Seat Upper Motor - C2
Table 7: RH Seat Upper Motor - C1
Table 8: RH Seat Upper Motor - C2
Table 9: LH Seat Lower Motor - C1
Table 10: LH Seat Lower Motor - C2
Table 11: LH Seat Lower Motor (Front Up and DOwn)- C3
Table 12: LH Seat Lower Motor (Rear Up and Down) - C4

Seat Adjuster Switch


Object Number: 154608  Size: CH

Connector Part Information

    • 1216-0773
    • 26 Way F (WHT)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

1520

Power Seat Switch Signal - Front Vertical Down

2

-

-

Not Used

3

YEL

1519

Power Seat Switch Signal - Rear Vertical Up

4

-

-

Not Used

5

GRY

764

Pneumatic Seat Relay Feed - Coil - Driver Deflate

6

-

-

Not Used

7

GRY/BLK

1798

Return

8

-

-

Not Used

9

GRY

466

Power Seat Relay Feed - Coil - Driver Lumbar - In

10

-

-

Not Used

11

PNK

789

Pneumatic Seat Solenoid Feed - Lower Lumbar - Driver

12

-

-

Not Used

13

BRN

617

Power Seat Switch Signal - Entire Seat Aft

14

GRY

613

Power Seat Switch Signal - Entire Seat Fore

15

-

-

Not Used

16

YEL

777

Pneumatic Seat Solenoid Feed - Upper Lumbar - Driver

17

-

-

Not Used

18

PPL

765

Pneumatic Seat Solenoid Feed - Lateral - Driver

19

-

-

Not Used

20

ORN

1740

Fuse Output - BATT - Type III Fuse

21

-

-

Not Used

22

YEL

386

Power Seat Relay Feed - Coil - Driver Lumbar - Down

23

-

-

Not Used

24

LT BLU

1521

Power Seat Switch Signal - RR Vert Down

25

-

-

Not Used

26

DK GRN

1518

Power Seat Switch Signal - FRT Vertical Up

Seat Control Module(SCM) - C1

Connector Part Information

    • 1216-0773
    • 26 Way F

Pin

Wire Color

Circuit No.

Function

1

YEL

1519

Power Seat Switch Signal - Rear Vertical Up

2

GRY

613

Power Seat Switch Signal - Entire Seat - Fore

3

ORN

1740

Fuse Output - BATT - Type III Fuse

4

-

-

Not Used

5

-

-

Not Used

6

BRN/WHT

557

Memory Seat Position Sensor Signal - FRT Vert Motor

7

-

-

Not Used

8

GRY/BLK

1798

Return

9

BRN/WHT

1048

Serial Data Signal - Class B-10400 - BAUD - D1A To Seat Control Module

10

-

-

Not Used

11

-

-

Not Used

12

LT BLU

1521

Power Seat Switch Signal - Rear Vert Down

13

PPL

1985

Memory Seat And Mirror Control Module Signal - Memory Peronalization

14

-

-

Not Used

15

BRN

617

Power Seat Switch Signal - Entire Seat - Aft

16

DK GRN

1518

Power Seat Switch Signal - FRT Vert Up

17

DK BLU

1520

Power Seat Switch Signal - FRT Vert Down

18

TAN

568

Memory Seat Position Sensor Signal - RR Vert Motor

19

DK GRN

569

Memory Seat Position Sensor Signal - Horiz Motor

20

-

-

Not Used

21

BLK

782

Sensor Return - Memory Seat/Mirror

22

-

-

Not Used

23

-

-

Not Used

24

-

-

Not Used

25

-

-

Not Used

26

-

-

Not Used

Seat Control Module(SCM) - C2


Object Number: 62480  Size: CH

Connector Part Information

    • 1208-9527
    • 4 Way F Metri-Pack 280 Series (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

-

-

Not Used

B

-

-

Not Used

C

BLK

150

Ground

D

TAN

285

Power Seat Motor Feed - Driver - Horizontal Fore

E

DK GRN

286

Power Seat Motor Feed - Driver - FRT Vertical Up

F

YEL

282

Power Seat Motor Feed - Driver - RR Vertical Up

Seat Control Module(SCM) - C3


Object Number: 62456  Size: CH

Connector Part Information

    • 1206-4752
    • 6 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1840

Fuse Output - BATT - Type III Fuse

B

LT GRN

284

Power Seat Motor Feed - Driver - Horizontal Aft

C

DK BLU

287

Power Seat Motor Feed - Driver - Front Vertical Down

D

LT BLU

283

Power Seat Motor Feed - Driver - Vertical Down

E

-

-

Not Used

F

-

-

Not Used

LH Seat Upper Motor - C1


Object Number: 154598  Size: CH

Connector Part Information

    • 1209-2254
    • 6 Way F

Pin

Wire Color

Circuit No.

Function

A

ORN

1140

Fuse Output - Batt - Type III Fuse

B

YEL

386

Power Seat Relay Feed -Coil - Driver Lumbar - Down

C

-

-

Not Used

D

PNK

789

Pneumatic Seat Solenoid Feed - Lower Lumbar - Driver

E

PPL

765

Pneumatic Seat Solenoid Feed - Lateral - Driver

F

-

-

Not Used

LH Seat Upper Motor - C2


Object Number: 62450  Size: CH

Connector Part Information

    • 1205-2856
    • 4 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

777

Pneumatic Seat Solenoid Feed - Upper Lumbar - Driver

B

GRY

466

Power Seat Relay Feed -Coil - Driver Lumbar - In

C

GRY

764

Pneumatic Seat Relay Feed - Coil - Driver - Deflate

D

BLK

150

Ground

RH Seat Upper Motor - C1


Object Number: 154598  Size: CH

Connector Part Information

    • 1209-2254
    • 6 Way F

Pin

Wire Color

Circuit No.

Function

A

ORN

1140

Fuse Output - BATT - Type III Fuse

B

YEL

757

Power Seat Relay Feed - Coil - Passenger Lumbar - Down

C

-

-

Not Used

D

LT BLU

1259

Pneumatic Seat Solenoid Feed - Lower Lumbar - Passenger

E

PNK

1265

Pneumatic Seat Solenoid Feed - Lateral - Passenger

F

-

-

Not Used

RH Seat Upper Motor - C2


Object Number: 62450  Size: CH

Connector Part Information

    • 1205-2856
    • 4 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

a

ORN

1261

Pneumatic Seat Solenoid Feed - Upper Lumbar - Passenger

B

GRY/BLK

758

Power Seat Relay Feed - Coil - Passenger Lumbar - In

C

GRY

1805

Pneumatic Seat Relay Feed - Coil - Passenger - Deflate

D

BLK

150

Ground

LH Seat Lower Motor - C1


Object Number: 39689  Size: CH

Connector Part Information

    • 1206-4754
    • 6 Way M Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

285

Power Seat Motor Feed - Driver - Horizontal Fore

B

LT GRN

284

Power Seat Motor Feed - Driver - Horizontal Aft

C

DK GRN

286

Power Seat Motor Feed - Driver - FRT Vertical Up

D

DK BLU

287

Power Seat Motor Feed - Driver - FRT Vertical Down

E

YEL

282

Power Seat Motor Feed - Driver - RR Vertical Up

F

LT BLU

283

Power Seat Motor Feed - Driver - RR Vertical Down

LH Seat Lower Motor - C2


Object Number: 38600  Size: CH

Connector Part Information

    • 1204-7781
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1985

Memory Seat And Mirror Control Module Signal - Memory Personalization

B

DK GRN

569

Memory Seat Position Sensor Signal Horizontal Motor

C

BLK

782

Sensor Return - Memory Seat/Mirror

LH Seat Lower Motor (Front Up and DOwn)- C3


Object Number: 38600  Size: CH

Connector Part Information

    • 1204-7781
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

782

Sensor Return - Memory Seat/Mirror

B

BRN/WHT

557

Memory Seat Position Sensor Signal FRT Vertical Motor

C

PPL

1985

Memory Seat And Mirror Control Module Signal - Memory Personalization

LH Seat Lower Motor (Rear Up and Down) - C4


Object Number: 38600  Size: CH

Connector Part Information

    • 1204-7781
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

782

Sensor Return - Memory Seat/Mirror

B

BRN/WHT

568

Memory Seat Position Sensor Signal Rear Vertical Motor

C

PPL

1985

Memory Seat And Mirror Control Module Signal - Memory Personalization