GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 Seville 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Entertainment Connector End Views
Table 1: Audio Amplifier (UX8) C1
Table 2: Audio Amplifier (UX8) C2
Table 3: Audio Amplifier (UX8) C3
Table 4: Audio Amplifier (UX9) C1
Table 5: Audio Amplifier (UX9) C2
Table 6: Audio Amplifier (UX9) C3
Table 7: Digital Radio Receiver (U2K)
Table 8: Noise Cancellation Microphone
Table 9: Radio C1
Table 10: Radio C2
Table 11: Radio C3
Table 12: Radio Antenna Module
Table 13: Remote Playback Device - CD Changer
Table 14: Signal Amplifier - RF
Table 15: Speaker - Center Midrange (UX8/UX9)
Table 16: Speaker - LF Door (UX8)
Table 17: Speaker - LF Door (UX9)
Table 18: Speaker - LF Door Tweeter (UX8)
Table 19: Speaker - LF I/P Cricket (UX9)
Table 20: Speaker - LR Door Twiddler (UX8/UX9)
Table 21: Speaker - Rear Subwoofer (UX8)
Table 22: Speaker - Rear Subwoofer (UX9)
Table 23: Speaker - RF Door (UX8)
Table 24: Speaker - RF Door (UX9)
Table 25: Speaker - RF Door Tweeter (UX8)
Table 26: Speaker - RF I/P Cricket (UX9)
Table 27: Speaker - RR Door Twiddler (UX8/UX9)
Table 28: Steering Wheel Controls - Left C1
Table 29: Steering Wheel Controls - Left C2
Table 30: Steering Wheel Controls - Right C1
Table 31: Steering Wheel Controls - Right C2

Audio Amplifier (UX8) C1


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24 Way F Micro-Pack 100 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A1

PPL

1952

Right Front Tweeter Speaker Output (-)

A2

LT GRN

1852

Right Front Tweeter Speaker Output (+)

A3

BLK

1856

Left Front Tweeter Speaker Output (+)

A4

YEL

1956

Left Front Tweeter Speaker Output (-)

A5

LT GRN/BLK

1794

Left Subwoofer Speaker Output (-)

A6

DK BLU/

WHT

346

Left Subwoofer Speaker Output (+)

A7

LT BLU

1960

Front Center Speaker Output (-)

A8

YEL

1860

Front Center Speaker Output (+)

A9

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

A10

DK GRN

1795

Right Subwoofer Speaker Output (+)

A11-A12

--

--

Not Used

B1

DK GRN/

WHT

368

Remote Radio Right Audio Signal

B2

BLK/WHT

372

Remote Radio Audio Output (-)

B3

BRN/WHT

367

Remote Radio Left Audio Signal

B4

LT GRN

1948

Right Front Low Level Audio Signal (-)

B5

LT GRN/BLK

512

Right Front Low Level Audio Signal (+)

B6

DK GRN

1947

Left Front Low Level Audio Signal (-)

B7

TAN

511

Left Front Low Level Audio Signal (+)

B8

DK BLU/

WHT

653

Chime Module Bit1 Signal

B9

PPL/WHT

652

Chime Module Bit 2 Signal

B10

--

--

Not Used

B11-B12

PPL

1807

Class 2 Serial Data

Audio Amplifier (UX8) C2


Object Number: 73152 Size: CH

Connector Part Information
    • 12084945
    • 16 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

LT BLU

1957

Left Front Midrange Speaker Output (-)

A2

DK BLU

1857

Left Front Midrange Speaker Output (+)

A3

DK GRN

1953

Right Front Midrange Speaker Output (-)

A4

ORN

1853

Right Front Midrange Speaker Output (+)

A5

RED

1955

Right Rear Midrange Speaker Output (-)

A6

TAN

1855

Right Rear Midrange Speaker Output (+)

A7

WHT

1959

Left Rear Midrange Speaker Output (-)

A8

TAN

1859

Left Rear Midrange Speaker Output (+)

B1

DK BLU

658

Cellular Telephone Voice Signal (Domestic)

B2

LT BLU/BLK

659

Cellular Telephone Voice Low Reference (Domestic)

B3 - B8

--

--

Not Used

Audio Amplifier (UX8) C3


Object Number: 35456 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

651

Ground

B

RED

1242

Battery Positive Voltage

Audio Amplifier (UX9) C1


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24 Way F Micro-Pack 100 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

TAN

1859

Left Rear Midrange Speaker Output (+)

A3

WHT

1959

Left Rear Midrange Speaker Output (-)

A4

BLK

1856

Left Front Tweeter Speaker Output (+)

A5

YEL

1956

Left Front Tweeter Speaker Output (-)

A6

LT BLU

1960

Front Center Speaker Output (-)

A7

YEL

1860

Front Center Speaker Output (+)

A8

PPL

1952

Right Front Tweeter Speaker Output (-)

A9

LT GRN

1852

Right Front Tweeter Speaker Output (+)

A10

RED

1955

Right Rear Midrange Speaker Output (-)

A11

TAN

1855

Right Rear Midrange Speaker Output (+)

A12

PPL/WHT

652

Chime Module Bit2 Signal

B1-B4

--

--

Not Used

B5

BRN/WHT

367

Remote Radio Left Audio Signal

B6

DK GRN/

WHT

368

Remote Radio Right Audio Signal

B7

BLK/WHT

372

Remote Radio Audio Output (-)

B8

LT GRN

1948

Right Front Low Level Audio Signal (-)

B9

DK GRN

1947

Left Front Low Level Audio Signal (-)

B10

TAN

511

Left Front Low Level Audio Signal (+)

B11

LT GRN/BLK

512

Right Front Low Level Audio Signal (+)

B12

DK BLU/

WHT

653

Chime Module Bit1 Signal

Audio Amplifier (UX9) C2


Object Number: 73158 Size: CH

Connector Part Information
    • 12110626
    • 8 Way F Metri-Pack 280 Series Flex Lock (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

651

Ground

B

DK BLU

346

Rear Subwoofer Speaker Output (+)

C

BLK/WHT

1975

Right Front Speaker Output (-)

D

LT BLU

1874

Left Front Speaker Output (+)

E

BLK

1974

Left Front Speaker Output (-)

F

BLK

1875

Right Front Speaker Output (+)

G

LT GRN/BLK

1794

Rear Subwoofer Speaker Output (-)

H

RED

1242

Battery Positive Voltage

Audio Amplifier (UX9) C3


Object Number: 280764 Size: CH

Connector Part Information
    • 12064993
    • 6 Way F Micro-Pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

5 - 6

PPL

1807

Class 2 Serial Data

7

BARE

1489

Drain Wire

8

DK GRN

1488

Noise Reduction Microphone Supply Voltage

9

LT BLU/BLK

659

Cellular Telephone Voice Low Reference (Domestic)

10

DK BLU

658

Cellular Telephone Voice Signal (Domestic)

Digital Radio Receiver (U2K)


Object Number: 823325 Size: CH

Connector Part Information
    • 15394150
    • 16 - Way F Metri-Pack (GRY)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BRN/WHT

367

Remote Radio Left Audio Signal

3

DK GRN/WHT

368

Remote Radio Right Audio Signal

4 - 8

--

--

Not Used

9

BLK

651

Ground

10

BLK/WHT

372

Remote Radio Audio Output (-)

11

BARE

1782

Drain Wire

12 - 14

--

--

Not Used

15

PPL

1807

Class 2 Serial Data

16

ORN

3840

Battery Positive Voltage

Noise Cancellation Microphone


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BARE

1489

Drain Wire

B

DK GRN

1488

Noise Reduction Microphone Supply Voltage

Radio C1


Object Number: 73222 Size: CH

Connector Part Information
    • 12110115
    • 32 Way F Micro-Pack 100 Series (DK BLU)

Pin

Wire Color

Circuit No.

Function

E1

DK GRN

835

Entertainment and Comfort Serial Data

E1

GRY

1698

Antenna Enable Signal (U3S/U3Q/U3R)

E2 - E3

--

--

Not Used

E4

RED

1486

FM Composite Signal

E5

YEL/BLK

1491

Backlight Lamps Control

E5

Bare

814

Drain Wire (U3S/U3Q/U3R)

E6

PPL

1807

Class 2 Serial Data

E7

Bare

814

Drain Wire

E7

Tan

2057

Auxiliary Video Low Signal (U3S/U3Q/U3R)

E8

ORN/BLK STR

2360

Modem Audio Low Reference

E8

PPL

2056

Auxiliary Video High Signal (U3S/U3Q/U3R)

E9

TAN/BLK STR

2388

Modem Audio Return Signal

E9

YEL

2059

Auxiliary Audio Left Signal (U3S/U3Q/U3R)

E10

BRN/WHT STR

2387

Modem Audio Transmit Signal

E10

WHT

2058

Auxiliary Audio Right Signal (U3S/U3Q/U3R)

E11

Bare

814

Drain Wire

E12

TAN

511

Left Front Low Level Audio Signal (+)

E13

DK GRN

1947

Left Front Low Level Audio Signal (-)

E14

BARE

2011

Drain Wire

E15

BARE

2012

Drain Wire

E16

BLK/WHT

651

Ground

E16

BLK/WHT

351

Ground (U3S/U3Q/U3R)

F1

ORN

2240

Battery Positive Voltage

F1

ORN

3240

Battery Positive Voltage (U3S/U3Q/U3R)

F2

GRN DRK/WHT

817

Vehicle Speed Signal (w/U3S/U3Q/U3R)

F3

WHT

1487

Antenna Enable Signal

F4

GRN DRK/WHT

817

Vehicle Speed Signal

F4

BLK/WHT

1801

Antenna Select Baud 1 Signal (U3S/U3Q/U3R)

F5

BLK

450

Ground

F5

BLU DRK/WHT

1849

Antenna Select Baud 2 Signal (U3S/U3Q/U3R)

F6

PPL

1807

Class 2 Serial Data

F7-F10

--

--

Not Used

F11

BARE

1792

Drain Wire

F12

PPL/WHT

652

Chime Module Bit2 Signal

F13

DK BLU/

WHT

653

Chime Module Bit1 Signal

F14

LT GRN

1948

Right Front Low Level Audio Signal (-)

F15

LT GRN/BLK

512

Right Front Low Level Audio Signal (+)

F16

TAN

2610

Cellular Microphone Signal

F16

PNK

2060

Auxiliary Detection Signal (U3S/U3Q/U3R)

Radio C2


Object Number: 861682 Size: CH

Connector Part Information
    • 15380274
    • 5 Way F Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

2610

Cellular Microphone Signal

1

GRY

655

Cellular Microphone Signal (T79)

2

BARE

814

Drain Wire

3-5

--

--

Not Used

Radio C3


Object Number: 861685 Size: CH

Connector Part Information
    • 15383013
    • 6 Way F Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YEL

5385

Traffic Information Request Signal

3

GRY

5383

Traffic Information Signal

4

--

--

Not Used

5

BARE

814

Drain Wire

6

BRN

5384

Traffic Information Signal

Radio Antenna Module


Object Number: 258666 Size: CH

Connector Part Information
    • 12186246
    • 3 Way F (NAT)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

WHT

1487

Antenna Enable Signal

3

RED

1486

FM Composite Signal

Remote Playback Device - CD Changer


Object Number: 62435 Size: CH

Connector Part Information
    • 12047531
    • 10 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

BRN/WHT

367

Remote Radio Left Audio Signal

2

DK GRN/

WHT

368

Remote Radio Right Audio Signal

3

BLK/WHT

372

Remote Radio Audio Output (-)

4

BARE

1782

Drain Wire

5

ORN

2240

Battery Positive Voltage

6

--

--

Not Used

7

BLK/WHT

651

Ground

8

--

--

Not Used

9 - 10

PPL

1807

Class 2 Serial Data

Signal Amplifier - RF


Object Number: 603064 Size: CH

Connector Part Information
    • 15324585
    • 4-Way M (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK

1051

Ground

2-3

--

--

Not Used

4

GRY

344

Cellular Telephone RF Boost Control Signal

Speaker - Center Midrange (UX8/UX9)


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1960

Front Center Speaker Output (-)

B

YEL

1860

Front Center Speaker Output (+)

Speaker - LF Door (UX8)


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1957

Left Front Midrange Speaker Output (-)

B

DK BLU

1857

Left Front Midrange Speaker Output (+)

Speaker - LF Door (UX9)


Object Number: 153645 Size: CH

Connector Part Information
    • 12129081
    • 2 Way F Metri-Pack 280 Series Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1974

Left Front Speaker Output (-)

B

LT BLU

1874

Left Front Speaker Output (+)

Speaker - LF Door Tweeter (UX8)


Object Number: 95782 Size: CH

Connector Part Information
    • 12052833
    • 2 Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

1956

Left Front Tweeter Speaker Output (-)

B

BLK

1856

Left Front Tweeter Speaker Output (+)

Speaker - LF I/P Cricket (UX9)


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

1956

Left Front Tweeter Speaker Output (-)

B

BLK

1856

Left Front Tweeter Speaker Output (+)

Speaker - LR Door Twiddler (UX8/UX9)


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1959

Left Rear Midrange Speaker Output (-)

B

TAN

1859

Left Rear Midrange Speaker Output (+)

Speaker - Rear Subwoofer (UX8)


Object Number: 130637 Size: CH

Connector Part Information
    • 12064760
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

1794

Left Subwoofer Speaker Output (-)

B

DK BLU/

WHT

346

Left Subwoofer Speaker Output (+)

C

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

D

DK GRN

1795

Right Subwoofer Speaker Output (+)

Speaker - Rear Subwoofer (UX9)


Object Number: 153645 Size: CH

Connector Part Information
    • 12129081
    • 2 Way F Metri-Pack 280 Series Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

346

Rear Subwoofer Speaker Output (+)

B

LT GRN

1794

Rear Subwoofer Speaker Output (-)

Speaker - RF Door (UX8)


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1953

Right Front Midrange Speaker Output (-)

B

ORN

1853

Right Front Midrange Speaker Output (+)

Speaker - RF Door (UX9)


Object Number: 153645 Size: CH

Connector Part Information
    • 12129081
    • 2 Way F Metri-Pack 280 Series Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1975

Right Front Speaker Output (-)

B

BLK

1875

Right Front Speaker Output (+)

Speaker - RF Door Tweeter (UX8)


Object Number: 95782 Size: CH

Connector Part Information
    • 12052833
    • 2 Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1952

Right Front Tweeter Speaker Output (-)

B

LT GRN

1852

Right Front Tweeter Speaker Output (+)

Speaker - RF I/P Cricket (UX9)


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1952

Right Front Tweeter Speaker Output (-)

B

LT GRN

1852

Right Front Tweeter Speaker Output (+)

Speaker - RR Door Twiddler (UX8/UX9)


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

1955

Right Rear Midrange Speaker Output (-)

B

TAN

1855

Right Rear Midrange Speaker Output (+)

Steering Wheel Controls - Left C1


Object Number: 605502 Size: CH

Connector Part Information
    • 50-57-9404
    • 4 Way F

Pin

Wire Color

Circuit No.

Function

1

PNK

1039

Ignition 1 Voltage

2

GRY

397

Cruise Control On Switch Signal

3

BLK

350

Ground (LH Drive)

450

Ground (RH Drive)

4

YEL

1491

Backlight Lamps Control

Steering Wheel Controls - Left C2


Object Number: 605511 Size: CH

Connector Part Information
    • 50-57-9405
    • 5 Way F

Pin

Wire Color

Circuit No.

Function

1

DK BLU

1796

Steering Wheel Controls Signal

2

YEL

1491

Backlight Lamps Control

3

BLK

350

Ground (LH Drive)

450

Ground (RH Drive)

4

--

--

Not Used

5

DK BLU

1796

Steering Wheel Controls Signal

Steering Wheel Controls - Right C1


Object Number: 605507 Size: CH

Connector Part Information
    • 50-57-9406
    • 6 Way F

Pin

Wire Color

Circuit No.

Function

1

PPL

1375

Remote Radio Control Supply Voltage

2

DK BLU

1796

Steering Wheel Controls Signal

3

YEL

1491

Backlight Lamps Control

4

--

--

Not Used

5

BLK

350

Ground (LH Drive)

450

Ground (RH Drive)

6

DK BLU

1796

Steering Wheel Controls Signal

Steering Wheel Controls - Right C2


Object Number: 605511 Size: CH

Connector Part Information
    • 50-57-9407
    • 5 Way F

Pin

Wire Color

Circuit No.

Function

1

GRY

397

Cruise Control On Switch Signal

2

BLK

350

Ground (LH Drive)

450

Ground (RH Drive)

3

YEL

1491

Backlight Lamps Control

4

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

5

DK BLU

84

Cruise Control Set/Coast Switch Signal