GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 CTS 🢒 Body 🢒 Seats 🢒 Power Seat Connector End Views
Table 1: Heated Seat Element - Driver Seat Back
Table 2: Heated Seat Element - Driver Seat Cushion - Front
Table 3: Heated Seat Element - Front Passenger Seat Back
Table 4: Heated Seat Element - Front Passenger Seat Cushion - Front
Table 5: Heated Seat Module - Driver C1 (KA1)
Table 6: Heated Seat Module - Driver C2 (KA1)
Table 7: Heated Seat Module - Front Passenger C1 (KA1)
Table 8: Heated Seat Module - Front Passenger C2 (KA1)
Table 9: Lumbar Adjuster Switch - Driver (AL2)
Table 10: Lumbar Adjuster Switch - Passenger (AL2)
Table 11: Lumbar Motor - Driver
Table 12: Lumbar Motor - Passenger
Table 13: Memory/Personalization Function Switch (A45)
Table 14: Memory Seat Module (MSM) C1 (A45)
Table 15: Memory Seat Module (MSM) C2 (A45)
Table 16: Memory Seat Module (MSM) C3 (A45)
Table 17: Seat Adjuster Switch - Driver (LHD w/o A45)
Table 18: Seat Adjuster Switch - Driver (RHD w/o A45)
Table 19: Seat Adjuster Switch - Driver (LHD w/A45)
Table 20: Seat Adjuster Switch - Driver (RHD w/A45)
Table 21: Seat Adjuster Switch - Passenger (LHD w/AH8)
Table 22: Seat Adjuster Switch - Passenger (RHD w/AH8)
Table 23: Seat Front Vertical Motor - Driver
Table 24: Seat Front Vertical Motor - Passenger (AH8)
Table 25: Seat Front Vertical Position Sensor - Driver (A45)
Table 26: Seat Horizontal Motor - Driver
Table 27: Seat Horizontal Motor - Passenger (AH8)
Table 28: Seat Horizontal Position Sensor - Driver (A45)
Table 29: Seat Rear Vertical Motor - Driver
Table 30: Seat Rear Vertical Motor - Passenger (AH8)
Table 31: Seat Rear Vertical Position Sensor - Driver (A45)
Table 32: Seat Recline Motor - Driver
Table 33: Seat Recline Motor - Passenger (AH8)
Table 34: Seat Recline Position Sensor - Driver (A45)

Heated Seat Element - Driver Seat Back


Object Number: 35441 Size: CH

Connector Part Information
    • 12059248
    • 2-Way M Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

9529

Heated Seat Element Supply Voltage

B

YE

9530

Heated Seat Element Control

Heated Seat Element - Driver Seat Cushion - Front


Object Number: 35441 Size: CH

Connector Part Information
    • 12059248
    • 2-Way M Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

9529

Heated Seat Element Supply Voltage

B

YE

9529

Heated Seat Element Supply Voltage

Heated Seat Element - Front Passenger Seat Back


Object Number: 35441 Size: CH

Connector Part Information
    • 12059248
    • 2-Way M Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

9529

Heated Seat Element Supply Voltage

B

YE

9530

Heated Seat Element Control

Heated Seat Element - Front Passenger Seat Cushion - Front


Object Number: 35441 Size: CH

Connector Part Information
    • 12059248
    • 2-Way M Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

9529

Heated Seat Element Supply Voltage

B

YE

9529

Heated Seat Element Supply Voltage

Heated Seat Module - Driver C1 (KA1)


Object Number: 62464 Size: CH

Connector Part Information
    • 12064769
    • 10-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

OG

2440

Battery Positive Voltage

B

BN

41

Ignition 3 Voltage

C

L-BU/WH

181

Heated Seat Control Module Status Signal

D

--

--

Not Used

E

PK

1501

Driver Heated Seat High/Low Signal

F-J

--

--

Not Used

K

BK

650

Ground

Heated Seat Module - Driver C2 (KA1)


Object Number: 40422 Size: CH

Connector Part Information
    • 12064762
    • 6-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

BK/RD

9529

Heated Seat Element Supply Voltage

B

--

--

Not Used

C

BK/RD

9530

Heated Seat Element Control

D

YE

9534

Heated Seat Temperature Sensor Low Reference

E

--

--

Not Used

F

YE

9533

Heated Seat Temperature Sensor Signal

Heated Seat Module - Front Passenger C1 (KA1)


Object Number: 62464 Size: CH

Connector Part Information
    • 12064769
    • 10-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

OG

2540

Battery Positive Voltage

B

BN

41

Ignition 3 Voltage

C

L-BU/WH

2181

Passenger Heated Seat Control Module Status Signal

D

--

--

Not Used

E

PK

1503

Passenger Heated Seat High/Low Signal

F-J

--

--

Not Used

K

BK

550

Ground

Heated Seat Module - Front Passenger C2 (KA1)


Object Number: 40422 Size: CH

Connector Part Information
    • 12064762
    • 6-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

YE

9529

Heated Seat Element Supply Voltage

B

--

--

Not Used

C

YE

9530

Heated Seat Element Control

D

BK/RD

9534

Heated Seat Temperature Sensor Low Reference

E

--

--

Not Used

F

BK/RD

9533

Heated Seat Temperature Sensor Signal

Lumbar Adjuster Switch - Driver (AL2)


Object Number: 62432 Size: CH

Connector Part Information
    • 12041429
    • 5-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

YE

1065

Driver Seat Lumbar Forward Switch Signal

C

--

--

Not Used

D

OG

2840

Battery Positive Voltage

E

D-BU

1064

Driver Seat Lumbar Rearward Switch Signal

Lumbar Adjuster Switch - Passenger (AL2)


Object Number: 62432 Size: CH

Connector Part Information
    • 12041429
    • 5-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

D-BU

211

Passenger Seat Lumbar Motor Forward Control

C

BK

550

Ground

D

OG

3740

Battery Positive Voltage

E

WH

210

Passenger Seat Lumbar Motor Rearward Control

Lumbar Motor - Driver


Object Number: 1390769 Size: CH

Connector Part Information
    • 12034344
    • 2-Way M Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

611

Driver Seat Lumbar Motor Forward Control

B

PK

610

Driver Seat Lumbar Motor Rearward Control

Lumbar Motor - Passenger


Object Number: 1390769 Size: CH

Connector Part Information
    • 12034344
    • 2-Way M Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

211

Passenger Seat Lumbar Motor Forward Control

B

WH

210

Passenger Seat Lumbar Motor Rearward Control

Memory/Personalization Function Switch (A45)


Object Number: 814536 Size: CH

Connector Part Information
    • 15364004
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

YE

1491

Backlight Lamps Control

2

PU

616

Memory 2 Switch Signal

3

BK/WH

351

Ground

4

WH

615

Memory 1 Switch Signal

Memory Seat Module (MSM) C1 (A45)


Object Number: 808706 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

3740

Battery Positive Voltage

B

BK

550

Ground

Memory Seat Module (MSM) C2 (A45)


Object Number: 646417 Size: CH

Connector Part Information
    • 12110112
    • 32-Way F Micro-Pack 100 Series (TN)

Pin

Wire Color

Circuit No.

Function

E1

D-GN

1518

Power Seat Front Vertical Up Switch Signal

E2

YE

1519

Power Seat Rear Vertical Up Switch Signal

E3

D-BU

1520

Power Seat Front Vertical Down Switch Signal

E4

L-BU

1521

Power Seat Rear Vertical Down Switch Signal

E5

TN

1522

Power Seat Horizontal Forward Switch Signal

E6

L-GN

1523

Power Seat Horizontal Rearward Switch Signal

E7

L-GN

276

Driver Seat Recline Forward Switch Signal

E8

L-BU

277

Driver Seat Recline Rearward Switch Signal

E9

D-BU

1064

Driver Seat Lumbar Rearward Switch Signal (AL2)

E10

YE

1065

Driver Seat Lumbar Forward Switch Signal (AL2)

E11-E12

--

--

Not Used

E13

GY

788

5-Volt Reference

E14

BN/WH

557

Front Vertical Seat Motor Position Sensor Signal

E15

BK

782

Memory Seat Sensor Low Reference

E16

D-GN

569

Horizontal Seat Motor Position Sensor Signal

F1

TN

568

Rear Vertical Seat Motor Position Sensor Signal

F2

WH/BK

570

Driver Seat Recline Motor Position Sensor Signal

F3

YE

1063

Driver Seat Lumbar Horizontal Position Sensor Signal (AL2)

F4-F10

--

--

Not Used

F11

OG

2840

Battery Positive Voltage

F12-F13

--

--

Not Used

F14

PU

1807

Class 2 Serial Data

F15-F16

--

--

Not Used

Memory Seat Module (MSM) C3 (A45)


Object Number: 283847 Size: CH

Connector Part Information
    • 12129431
    • 16-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

286

Driver Seat Front Vertical Motor Up Control

B

D-BU

611

Driver Seat Lumbar Motor Forward Control (AL2)

C-E

--

--

Not Used

F

L-GN

276

Driver Seat Recline Motor Forward Control

G

L-BU

277

Driver Seat Recline Motor Rearward Control

H-K

--

--

Not Used

L

PK

610

Driver Seat Lumbar Motor Rearward Control (AL2)

M

D-BU

287

Driver Seat Front Vertical Motor Down Control

N

TN

285

Driver Seat Horizontal Motor Forward Control

P

L-BU

283

Driver Seat Rear Vertical Motor Down Control

R

YE

282

Driver Seat Rear Vertical Motor Up Control

S

L-GN

284

Driver Seat Horizontal Motor Rearward Control

Seat Adjuster Switch - Driver (LHD w/o A45)


Object Number: 476149 Size: CH

Connector Part Information
    • 15326110
    • 12-Way F 280 GT Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

77

Driver Seat Recline Motor Rearward Control

B

D-GN

76

Driver Seat Recline Motor Forward Control

C

BK

550

Ground

D

L-GN

290

Driver Seat Horizontal Motor Rearward Control

E

TN

296

Driver Seat Horizontal Motor Forward Control

F

OG

3740

Battery Positive Voltage

G-H

--

--

Not Used

J

L-BU

289

Driver Seat Rear Vertical Motor Down Control

K

YE

288

Driver Seat Rear Vertical Motor Up Control

L

D-BU

298

Driver Seat Front Vertical Motor Down Control

M

D-GN

297

Driver Seat Front Vertical Motor Up Control

Seat Adjuster Switch - Driver (RHD w/o A45)


Object Number: 476149 Size: CH

Connector Part Information
    • 15326110
    • 12-Way F 280 GT Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

3740

Battery Positive Voltage

B

L-GN

290

Driver Seat Horizontal Motor Rearward Control

C

TN

296

Driver Seat Horizontal Motor Forward Control

D

BK

550

Ground

E

D-BU

77

Driver Seat Recline Motor Rearward Control

F

D-GN

76

Driver Seat Recline Motor Forward Control

G

D-BU

298

Driver Seat Front Vertical Motor Down Control

H

D-GN

297

Driver Seat Front Vertical Motor Up Control

J

L-BU

289

Driver Seat Rear Vertical Motor Down Control

K

YE

288

Driver Seat Rear Vertical Motor Up Control

L-M

--

--

Not Used

Seat Adjuster Switch - Driver (LHD w/A45)


Object Number: 476149 Size: CH

Connector Part Information
    • 15326110
    • 12-Way F 280 GT Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

277

Driver Seat Recline Rearward Switch Signal

B

L-GN

276

Driver Seat Recline Forward Switch Signal

C

--

--

Not Used

D

L-GN

1523

Power Seat Horizontal Rearward Switch Signal

E

TN

1522

Power Seat Horizontal Forward Switch Signal

F

OG

2840

Battery Positive Voltage

G-H

--

--

Not Used

J

L-BU

1521

Power Seat Rear Vertical Down Switch Signal

K

YE

1519

Power Seat Rear Vertical Up Switch Signal

L

D-BU

1520

Power Seat Front Vertical Down Switch Signal

M

D-GN

1518

Power Seat Front Vertical Up Switch Signal

Seat Adjuster Switch - Driver (RHD w/A45)


Object Number: 476149 Size: CH

Connector Part Information
    • 15326110
    • 12-Way F 280 GT Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

2840

Battery Positive Voltage

B

L-GN

1523

Power Seat Horizontal Rearward Switch Signal

C

TN

1522

Power Seat Horizontal Forward Switch Signal

D

--

--

Not Used

E

L-BU

277

Driver Seat Recline Rearward Switch Signal

F

L-GN

276

Driver Seat Recline Forward Switch Signal

G

D-BU

1520

Power Seat Front Vertical Down Switch Signal

H

D-GN

1518

Power Seat Front Vertical Up Switch Signal

J

L-BU

1521

Power Seat Rear Vertical Down Switch Signal

K

YE

1519

Power Seat Rear Vertical Up Switch Signal

L-M

--

--

Not Used

Seat Adjuster Switch - Passenger (LHD w/AH8)


Object Number: 476149 Size: CH

Connector Part Information
    • 15326110
    • 12-Way F 280 GT Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

3740

Battery Positive Voltage

B

L-GN

290

Passenger Seat Horizontal Motor Rearward Control

C

TN

296

Passenger Seat Horizontal Motor Forward Control

D

BK

550

Ground

E

L-BU

77

Passenger Seat Recline Motor Rearward Control

F

L-GN

76

Passenger Seat Recline Motor Forward Control

G

D-BU

298

Passenger Seat Front Vertical Motor Down Control

H

D-GN

297

Passenger Seat Front Vertical Motor Up Control

J

L-BU

289

Passenger Seat Rear Vertical Motor Down Control

K

YE

288

Passenger Seat Rear Vertical Motor Up Control

L-M

--

--

Not Used

Seat Adjuster Switch - Passenger (RHD w/AH8)


Object Number: 476149 Size: CH

Connector Part Information
    • 15326110
    • 12-Way F 280 GT Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

77

Passenger Seat Recline Motor Rearward Control

B

D-GN

76

Passenger Seat Recline Motor Forward Control

C

BK

550

Ground

D

L-GN

290

Passenger Seat Horizontal Motor Rearward Control

E

TN

296

Passenger Seat Horizontal Motor Forward Control

F

OG

3740

Battery Positive Voltage

G-H

--

--

Not Used

J

L-BU

289

Passenger Seat Rear Vertical Motor Down Control

K

YE

288

Passenger Seat Rear Vertical Motor Up Control

L

D-BU

298

Passenger Seat Front Vertical Motor Down Control

M

D-GN

297

Passenger Seat Front Vertical Motor Up Control

Seat Front Vertical Motor - Driver


Object Number: 808706 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-Pack 480 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

D-BU

287

Driver Seat Front Vertical Motor Down Control (LHD w/A45)

D-GN

286

Driver Seat Front Vertical Motor Up Control (RHD w/A45)

D-BU

298

Driver Seat Front Vertical Motor Down Control (w/o A45)

B

D-GN

286

Driver Seat Front Vertical Motor Up Control (LHD w/A45)

D-BU

287

Driver Seat Front Vertical Motor Down Control (RHD w/A45)

D-GN

297

Driver Seat Front Vertical Motor Up Control (w/o A45)

Seat Front Vertical Motor - Passenger (AH8)


Object Number: 808706 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

298

Passenger Seat Front Vertical Motor Down Control

B

D-BU

297

Passenger Seat Front Vertical Motor Up Control

Seat Front Vertical Position Sensor - Driver (A45)


Object Number: 1332410 Size: CH

Connector Part Information
    • 12059584
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Unavailable

B

BK

782

Memory Seat Sensor Low Reference (LHD)

GY

788

5-Volt Reference (RHD)

C

BN/WH

557

Front Vertical Seat Motor Position Sensor Signal

D

GY

788

5-Volt Reference (LHD)

BK

782

Memory Seat Sensor Low Reference (RHD)

Seat Horizontal Motor - Driver


Object Number: 153645 Size: CH

Connector Part Information
    • 12129081
    • 2-Way F Metri-Pack 280 Series Flexlock (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

285

Driver Seat Horizontal Motor Forward Control (LHD w/A45)

L-GN

284

Driver Seat Horizontal Motor Rearward Control (RHD w/A45)

TN

296

Driver Seat Horizontal Motor Forward Control (LHD w/o A45)

L-GN

290

Driver Seat Horizontal Motor Rearward Control (RHD w/o A45)

B

L-GN

284

Driver Seat Horizontal Motor Rearward Control (LHD w/A45)

TN

285

Driver Seat Horizontal Motor Forward Control (RHD w/A45)

L-GN

290

Driver Seat Horizontal Motor Rearward Control (LHD w/o A45)

TN

296

Driver Seat Horizontal Motor Forward Control (RHD w/o A45)

Seat Horizontal Motor - Passenger (AH8)


Object Number: 153645 Size: CH

Connector Part Information
    • 12129081
    • 2-Way F Metri-Pack 280 Series Flexlock (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

290

Passenger Seat Horizontal Motor Rearward Control (LHD)

TN

296

Passenger Seat Horizontal Motor Forward Control (RHD)

B

TN

296

Passenger Seat Horizontal Motor Forward Control (LHD)

L-GN

290

Passenger Seat Horizontal Motor Rearward Control (RHD)

Seat Horizontal Position Sensor - Driver (A45)


Object Number: 1332415 Size: CH

Connector Part Information
    • 12059581
    • 3-Way F Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

GY

788

5-Volt Reference (LHD)

BK

782

Memory Seat Sensor Low Reference (RHD)

B

D-GN

569

Horizontal Seat Motor Position Sensor Signal

C

BK

782

Memory Seat Sensor Low Reference (LHD)

GY

788

5-Volt Reference (RHD)

D

--

--

Unavailable

Seat Rear Vertical Motor - Driver


Object Number: 808706 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-Pack 480 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

YE

282

Driver Seat Rear Vertical Motor Up Control (LHD w/A45)

L-BU

283

Driver Seat Rear Vertical Motor Down Control (RHD w/A45)

YE

288

Driver Seat Rear Vertical Motor Up Control (LHD w/o A45)

L-BU

289

Driver Seat Rear Vertical Motor Down Control (RHD w/o A45)

B

L-BU

283

Driver Seat Rear Vertical Motor Down Control (LHD w/A45)

YE

282

Driver Seat Rear Vertical Motor Up Control (RHD w/A45)

L-BU

289

Driver Seat Rear Vertical Motor Down Control (LHD w/o A45)

YE

288

Driver Seat Rear Vertical Motor Up Control (RHD w/o A45)

Seat Rear Vertical Motor - Passenger (AH8)


Object Number: 808706 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-Pack 480 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

L-BU

289

Passenger Seat Rear Vertical Motor Down Control (LHD)

YE

288

Passenger Seat Rear Vertical Motor Up Control (RHD)

B

YE

288

Passenger Seat Rear Vertical Motor Up Control (LHD)

L-BU

289

Passenger Seat Rear Vertical Motor Down Control (RHD)

Seat Rear Vertical Position Sensor - Driver (A45)


Object Number: 1332414 Size: CH

Connector Part Information
    • 12059582
    • 3-Way F Metri-Pack 150 Series (BU)

Pin

Wire Color

Circuit No.

Function

A

GY

788

5-Volt Reference (LHD)

BK

782

Memory Seat Sensor Low Reference (RHD)

B

TN

568

Rear Vertical Seat Motor Position Sensor Signal

C

--

--

Unavailable

D

BK

782

Memory Seat Sensor Low Reference (LHD)

GY

788

5-Volt Reference (RHD)

Seat Recline Motor - Driver


Object Number: 153645 Size: CH

Connector Part Information
    • 12129082
    • 2-Way F Metri-Pack 280 Series Flexlock (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

276

Driver Seat Recline Motor Forward Control (w/A45)

D-GN

76

Driver Seat Recline Motor Forward Control (w/o A45)

B

L-BU

277

Driver Seat Recline Motor Rearward Control (w/A45)

D-BU

77

Driver Seat Recline Motor Rearward Control (w/o A45)

Seat Recline Motor - Passenger (AH8)


Object Number: 153645 Size: CH

Connector Part Information
    • 12129082
    • 2-Way F Metri-Pack 280 Series Flexlock (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

76

Passenger Seat Recline Motor Forward Control

B

L-BU

77

Passenger Seat Recline Motor Rearward Control

Seat Recline Position Sensor - Driver (A45)


Object Number: 890598 Size: CH

Connector Part Information
    • 12186246
    • 3-Way F Mcroi-Pack (WH)

Pin

Wire Color

Circuit No.

Function

1

BK

782

Memory Seat Sensor Low Reference

2

GY

788

5-Volt Reference

3

WH/BK

570

Driver Memory Seat Recline Motor Position Sensor Signal