GM Service Manual Online
For 1990-2009 cars only
Table 1: Left Seat Headrest Motor
Table 2: Left Seat Switch With A43
Table 3: Left Seat Switch Without A43
Table 4: Memory Seat Module (MSM) C1
Table 5: Memory Seat Module (MSM) C2
Table 6: Right Seat Switch
Table 7: Left Front Seat Belt Switch

Left Seat Headrest Motor


Object Number: 153645  Size: CH

Connector Part Information

    • 12129081
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1257

Power Headrest Motor Feed - Driver Up

B

GRY

1258

Power Headrest Motor Feed - Driver Down

Left Seat Switch With A43


Object Number: 258247  Size: CH

Connector Part Information

    • 12129432
    • 16-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

1520

Power Seat Switch Signal-Front Vertical Down

B

LT GRN

1523

Power Seat Switch Signal-Horizontal Aft

C

LT BLU

1521

Power Seat Switch Signal- Rear Vertical Down

D

DK GRN

1518

Power Seat Switch Signal-Front Vertical Up

E

TAN

1522

Power Seat Switch Signal-Horizontal Fore

F

YEL

1519

Power Seat Motor Feed-Driver-Rear Vertical Up

G

LT BLU

277

Power Seat Motor Feed-Driver-Recline Aft

H

LT GRN

276

Power Seat Motor Feed-Driver-Recline Fore

J

ORN

2040

Fuse Output-Battery-Type 3 Fuse

K

WHT/BLK

1068

Headrest Up Input

L

BLK

450

Ground

M

DK BLU/WHT

1069

Headrest Down Input

N-S

--

--

Not Used

Left Seat Switch Without A43


Object Number: 258247  Size: CH

Connector Part Information

    • 12129432
    • 16-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

287

Power Seat Motor Feed-Driver-Front Vertical Down

B

LT GRN

284

Power Seat Motor Feed-Driver-Horizontal Aft

C

LT BLU

283

Power Seat Motor Feed-Driver-Rear Vertical Down

D

DK GRN

286

Power Seat Motor Feed-Driver-Front Vertical Up

E

TAN

285

Power Seat Motor Feed-Driver-Horizontal Fore

F

YEL

282

Power Seat Motor Feed-Driver-Rear Vertical Up

G

LT BLU

277

Power Seat Motor Feed-Recline Aft

H

LT GRN

276

Power Seat Motor Feed-Driver-Recline Fore

J

ORN

1340

Fuse Output-Battery-Type 3 Fuse

K

YEL

1257

Power Headrest Motor Feed-Driver Up

L

BLK

450

Ground

M

PPL

1258

Power Head Rest Motor Feed-Driver Down

N-S

--

--

Not Used

Memory Seat Module (MSM) C1


Object Number: 73157  Size: CH

Connector Part Information

    • 12110207
    • 32 Way F Micro-Pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

C1

DK GRN

1518

Power Seat Switch Signal-Front Vertical Up

C2

YEL

1519

Power Seat Switch Signal- Rear Vertical Up

C3

DK BLU

1520

Power Seat Switch Signal-Front Vertical Down

C4

LT BLU

1521

Power Seat Switch Signal- Rear Vertical Down

C5

TAN

1522

Power Seat Switch Signal-Horizontal Fore

C6

LT GRN

1523

Power Seat Switch Signal-Horizontal Aft

C7

LT GRN

276

Power Seat Motor Feed-Driver-Recline Fore

C8

LT BLU

277

Power Seat Motor Feed-Driver-Recline Aft

C9

DK BLU

1064

Lumbar In Input

C10

YEL

1065

Lumbar Out Input

C11

WHT

1066

Lumbar Up Input

C12

YEL/BLK

1067

Lumbar Down Input

C13

GR

788

Memory Mirror Position Sensor Feed-5 Volt Reference

C14

BRN/WHT

557

Memory Seat Position Sensor Signal-Front Vertical Motor

C15

BLK

782

Sensor Return-Memory Seat/Mirror

C16

DK GRN

569

Memory Seat Position Sensor Signal-Horizontal Motor

D1

TAN

568

Memory Seat Position Sensor Signal-Rear Vertical Motor

D2

WHT/BLK

570

Memory Seat Position Sensor Signal-Driver Recliner Motor

D3

YEL

1063

Memory Seat Position Sensor Signal-Driver In/Out Lumbar Motor

D4

BLK

1062

Memory Seat Position Sensor Signal-Driver Up/Down Lumbar Motor

D5-D8

--

--

Not Used

D9

WHT/BLK

1068

Headrest Up Input

D10

DK BLU/WHT

1069

Headrest Down Input

D11

ORN

2040

Fused Output - Bat

D12

--

--

Not Used

D13

BRN

241

Fused Output - Ign 3

D14

PPL

1807

Serial Data Signal Class 2

D15

PPL/WHT

1807

Serial Data Signal Class 2

D16

--

--

Not Used

Memory Seat Module (MSM) C2


Object Number: 35456  Size: CH

Connector Part Information

    • 12064749
    • 2-Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1340

Fuse Output-Battery-Type 3 Fuse

B

BLK

450

Ground

Right Seat Switch


Object Number: 258247  Size: CH

Connector Part Information

    • 12129432
    • 16 Way F Metri-Pack 280 Series (GRY)

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 Fore

C

LT GRN

290

Power Seat Motor Feed-Passenger-Horizontal Aft

D

YEL

288

Power Seat Motor Feed-Passenger-Rear Vertical Up

E

DK GRN

297

Power Seat Motor Feed-Passenger-Front Verticle Up

F

TAN

296

Power Seat Motor Feed-Passenger-Horizontal Fore

G

DK BLU

298

Power Seat Motor Feed-Passenger-Front Vertical Down

H

LT BLU

289

Power Seat Motor Feed-Passenger-Rear Vertical Down

J-M

--

--

Not Used

N

LT GRN

1625

Power Headrest Motor Feed-Passenger Up

P

ORN

1340

Fuse Output-Battery-Type 3 Fuse

R

YEL

1626

Power Headrest Motor Feed-Passenger Down

S

BLK

450

Ground

Left Front Seat Belt Switch


Object Number: 35441  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground

B

BLK/WHT

238

Seat Belt Switch Signal