GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Accessories 🢒 Entertainment 🢒 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 (w/UM5) C1
Table 5: Audio Amplifier (w/UM5) C2
Table 6: Audio Amplifier (w/UM5) C3
Table 7: Digital Radio Receiver (U2K)
Table 8: Noise Compensation Microphone
Table 9: Radio (w/o U3R, U3S, U3Q)
Table 10: Radio C1 (w/U3R, U3S, U3Q)
Table 11: Radio C2 (w/U3R, U3S, U3Q)
Table 12: Radio C2 (w/o U3R, U3S, U3Q)
Table 13: Radio Antenna Module (UV7)
Table 14: Remote Playback Device - CD Changer
Table 15: Speaker - Front I/P Midrange
Table 16: Speaker - LF (w/U57)
Table 17: Speaker - LF (w/UX8)
Table 18: Speaker - LF Door (w/U57)
Table 19: Speaker - LF Door (w/UX8)
Table 20: Speaker - LR Door
Table 21: Speaker - Rear Subwoofer (w/UX8)
Table 22: Speaker - Rear Subwoofer (w/U57)
Table 23: Speaker - RF (w/U57)
Table 24: Speaker - RF Door (w/UX8)
Table 25: Speaker - RF Door (w/U57)
Table 26: Speaker - RR Door
Table 27: Steering Wheel Controls - Left C1
Table 28: Steering Wheel Controls - Left C2
Table 29: Steering Wheel Controls - Right C1
Table 30: Steering Wheel Controls - Right C2

Audio Amplifier (UX8) C1


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/WHT

651

Ground

B

RED

1242

Battery Positive Voltage

Audio Amplifier (UX8) C2


Object Number: 73152 Size: CH

Connector Part Information
    • 12092929
    • 16-Way F Micro-Pack 100 Series (BLU)

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

B2

LT BLU/BLK

659

Cellular Telephone Voice Low Reference

B3-B8

--

--

Not Used

Audio Amplifier (UX8) C3


Object Number: 130690 Size: CH

Connector Part Information
    • 12110206
    • 24-Way F Micro-Pack 100 Series (LT BLU)

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 Bit 1 Signal

B9

PPL/WHT

652

Chime Module Bit 2 Signal

B10

--

--

Not Used

B11

PPL

1807

Class 2 Serial Data

B12

--

--

Not Used

Audio Amplifier (w/UM5) C1


Object Number: 73158 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

651

Ground

B

DK BLU

346

Rear Subwoofer Speaker Output (+)

C-F

--

--

Not Used

G

LT GRN

1794

Rear Subwoofer Speaker Output (-)

H

RED

1242

Battery Positive Voltage

Audio Amplifier (w/UM5) C2


Object Number: 130689 Size: CH

Connector Part Information
    • 12110244
    • 24-Way F Micro-Pack 100 Series (PNK)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

WHT

1959

Left Rear Midrange Speaker Output (-)

A3

TAN

1859

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

TAN

1855

Right Rear Midrange Speaker Output (+)

A11

RED

1955

Right Rear Midrange Speaker Output (-)

A12

PPL/WHT

652

Chime Module Bit 2 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 Bit 1 Signal

Audio Amplifier (w/UM5) C3


Object Number: 280764 Size: CH

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

Pin

Wire Color

Circuit No.

Function

5

PPL

1807

Class 2 Serial Data

6

--

--

Not Used

7

Bare

1489

Drain Wire

8

DK GRN

1488

Noise Reduction Microphone Supply Voltage

9

LT BLU/BLK

659

Cellular Telephone Voice Low Reference

10

DK BLU

658

Cellular Telephone Voice Signal

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/WHT

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 Compensation Microphone


Object Number: 35441 Size: CH

Connector Part Information
    • 12048457
    • 2-Way M 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BARE

1489

Drain Wire

B

DK GRN

1488

Noise Reduction Microphone Supply Voltage

Radio (w/o U3R, U3S, U3Q)


Object Number: 73222 Size: CH

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

Pin

Wire Color

Circuit No.

Function

E1

DK GRN

835

Entertainment and Comfort Serial Data

E2-E3

--

--

Not Used

E4

RED

1486

FM Composite Signal

E5

YEL

1491

Backlight Lamps Control

E6

PPL

1807

Class 2 Serial Data

E7

BARE

814

Drain Wire (w/UE1 and U43)

E8

ORN/BLK

2360

Modem Audio Low Reference (w/UE1 and U43)

E9

TAN/BLK

2388

Modem Audio Return Signal (w/UE1 and U43)

E10

BRN/WHT

2387

Modem Audio Transmit Signal (w/UE1 and U43)

E11

BARE

814

Drain Wire (w/UE1 and U43)

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

F1

ORN

2240

Battery Positive Voltage

F2

--

--

Not Used

F3

WHT

1487

Antenna Enable Signal

F4

DK GRN/WHT

817

Vehicle Speed Signal (w/UE1 and U43)

F5

BLK

450

Ground

F6

PPL

1807

Class 2 Serial Data

F7-F10

--

--

Not Used

F11

BARE

1792

Drain Wire

F12

PPL/WHT

652

Chime Module Bit 2 Signal

F13

DK BLU/WHT

653

Chime Module Bit 1 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 (w/UE1 and U43)

Radio C1 (w/U3R, U3S, U3Q)


Object Number: 73222 Size: CH

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

Pin

Wire Color

Circuit No.

Function

E1

GRY

1698

Antenna Select Supply Voltage (Export)

E2-E3

--

--

Not Used

E4

RED

1486

FM Composite Signal

E5

--

--

Not Used

E6

PPL

1807

Class 2 Serial Data

E7- E11

--

--

Not Used

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

1051

Ground

F1

ORN

3240

Battery Positive Voltage

F2

DK GRN

817

Vehicle Speed Signal

F3

WHT

1487

Antenna Enable Signal

F4-F5

--

--

Not Used

F6

PPL

1807

Class 2 Serial Data

F7-F10

--

--

Not Used

F11

BARE

1792

Drain Wire

F12

PPL/WHT

652

Chime Module Bit 2 Signal

F13

DK BLU/WHT

653

Chime Module Bit 1 Signal

F14

LT GRN

1948

Right Front Low Level Audio Signal (-)

F15

LT GRN/BLK

512

Right Front Low Level Audio Signal (+)

F16

--

--

Not Used

Radio C2 (w/U3R, U3S, U3Q)


Object Number: 258173 Size: CH

Connector Part Information
    • 15380274
    • 5-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

2610

Cellular Microphone Signal

2

BARE

814

Drain Wire

3-5

--

--

Not Used

Radio C2 (w/o U3R, U3S, U3Q)


Object Number: 62467 Size: CH

Connector Part Information
    • 12064980
    • 9-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

7

PNK/BLK

2062

Navigation Mono Audio Signal (+)

8

ORN/BLK

2061

Navigation Mono Audio Signal (-)

9-10

--

--

Not Used

11

BARE

814

Drain Wire

12

BRN/WHT

2052

Navigation Left Stereo Audio Signal (+)

13

GRY/BLK

2053

Navigation Left Stereo Audio Signal (-)

14

DK GRN/WHT

2054

Navigation Right Stereo Audio Signal (+)

15

PPL/WHT

2055

Navigation Right Stereo Audio Signal (-)

Radio Antenna Module (UV7)


Object Number: 258666 Size: CH

Connector Part Information
    • 12186246
    • 3-Way (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

PPL

1807

Class 2 Serial Data

10

PPL

1807

Class 2 Serial Data

Speaker - Front I/P Midrange


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 (w/U57)


Object Number: 38284 Size: CH

Connector Part Information
    • 12124452
    • 2-Way M Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

1956

Left Front Tweeter Speaker Output (-)

YEL

1956

Left Front Tweeter Speaker Output (-)

B

BLK

1856

Left Front Tweeter Speaker Output (+)

BLK

1856

Left Front Tweeter Speaker Output (+)

Speaker - LF (w/UX8)


Object Number: 95782 Size: CH

Connector Part Information
    • 12124465
    • 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 Door (w/U57)


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 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 - LF Door (w/UX8)


Object Number: 130687 Size: CH

Connector Part Information
    • 12064867
    • 2-Way F Metri-Pack 150 Series (NAT)

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 - LR Door


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 (w/UX8)


Object Number: 130637 Size: CH

Connector Part Information
    • 12064760
    • 4-Way 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 (w/U57)


Object Number: 68737 Size: CH

Connector Part Information
    • 12129489
    • 3-Way F Flexlock 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

346

Rear Subwoofer Speaker Output (+)

B

BLK/WHT

751

Ground

C

LT GRN

1794

Rear Subwoofer Speaker Output (-)

Speaker - RF (w/U57)


Object Number: 38284 Size: CH

Connector Part Information
    • 12124452
    • 2-Way M Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1952

Right Front Tweeter Speaker Output (-)

A

PPL

1952

Right Front Tweeter Speaker Output (-)

B

LT GRN

1852

Right Front Tweeter Speaker Output (+)

B

LT GRN

1852

Right Front Tweeter Speaker Output (+)

Speaker - RF Door (w/UX8)


Object Number: 130687 Size: CH

Connector Part Information
    • 12064867
    • 2-Way F Metri-Pack 150 Series (NWHT)

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 (w/U57)


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 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


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

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 (BLK)

Pin

Wire Color

Circuit No.

Function

1

PNK

1039

Ignition 1 Voltage

2

GRY

397

Cruise Control On Switch Signal

3

BLK

350

Ground

4

YEL/BLK

1491

Backlight Lamps Control

Steering Wheel Controls - Left C2


Object Number: 605511 Size: CH

Connector Part Information
    • 50-57-9405
    • 5-Way (BLK)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

1796

Steering Wheel Controls Signal

2

YEL/BLK

1491

Backlight Lamps Control

3

BLK

350

Ground

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 (BLK)

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

6

DK BLU

1796

Steering Wheel Controls Signal

Steering Wheel Controls - Right C2


Object Number: 605511 Size: CH

Connector Part Information
    • 50-57-9405
    • 5-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

GRY

397

Cruise Control On Switch Signal

2

BLK

350

Ground

3

YEL/BLK

1491

Backlight Lamps Control

4

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

5

DK BLU

84

Cruise Control Set/Coast Switch Signal