GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Seville 🢒 Body and Accessories 🢒 Entertainment 🢒 Entertainment Connector End Views
Table 1: Audio Amplifier (w/UX8) C1
Table 2: Audio Amplifier (w/UX8) C2
Table 3: Audio Amplifier (w/UX8) C3
Table 4: Audio Amplifier (w/UX9) C1
Table 5: Audio Amplifier (w/UX9) C2
Table 6: Audio Amplifier (w/UX9) C3
Table 7: Auxiliary RCA Video Jacks
Table 8: Noise Cancellation Microphone
Table 9: Radio (w/o UY4)
Table 10: Radio Antenna Module
Table 11: Radio C1 (w/UY4)
Table 12: Radio C2 (w/UY4)
Table 13: Remote Playback Device -- CD Changer
Table 14: Signal Amplifier -- RF
Table 15: Speaker -- Center Midrange (w/UX8 and w/UX9)
Table 16: Speaker -- LF Door (w/UX8)
Table 17: Speaker -- LF Door (w/UX9)
Table 18: Speaker -- LF Door Tweeter (w/UX8)
Table 19: Speaker -- LF I/P Cricket (w/UX9)
Table 20: Speaker -- LR Door Twiddler (w/UX8 and w/UX9)
Table 21: Speaker -- Rear Subwoofer (w/UX8)
Table 22: Speaker -- Rear Subwoofer (w/UX9)
Table 23: Speaker -- RF Door (w/UX8)
Table 24: Speaker -- RF Door (w/UX9)
Table 25: Speaker -- RF Door Tweeter (w/UX8)
Table 26: Speaker -- RF I/P Cricket (w/UX9)
Table 27: Speaker -- RR Door Twiddler (w/UX8 and w/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 (w/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 Bit2 Signal

B10

--

--

Not Used

B11-B12

PPL

1807

Class 2 Serial Data

Audio Amplifier (w/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

B2

LT BLU/BLK

659

Cellular Telephone Voice Low Reference

B3 - B8

--

--

Not Used

Audio Amplifier (w/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/WHT

651

Ground

B

RED

1242

Battery Positive Voltage

Audio Amplifier (w/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 (w/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 (w/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

10

DK BLU

658

Cellular Telephone Voice Signal

Auxiliary RCA Video Jacks


Object Number: 258248 Size: CH

Connector Part Information
    • 12065398
    • 8-Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

TAN

2057

Auxiliary Video Low Signal

B

WHT

2058

Auxiliary Audio Right Signal

C

PPL

2056

Auxiliary Video High Signal

D

PNK

2060

Auxiliary Detection Signal

E

YEL

2059

Auxiliary Audio Left Signal

F

BARE

814

Drain Wire

G -- H

--

--

Not Used

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

WHT

1488

Noise Reduction Microphone Supply Voltage

Radio (w/o UY4)


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

E2 - E3

--

--

Not Used

E4

RED

1486

FM Composite Signal

E5

YEL

1491

Backlight Lamps Control

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/WHT

651

Ground

F1

ORN

2240

Battery Positive Voltage

F2

--

--

Not Used

F3

WHT

1487

Antenna Enable Signal

F4

--

--

Not Used

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 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

--

--

Not Used

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

Radio C1 (w/UY4)


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

E2 - E3

--

--

Not Used

E4

RED

1486

FM Composite Signal

E5

YEL

1491

Backlight Lamps Control

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/WHT

651

Ground

F1

ORN

2240

Battery Positive Voltage

F2

--

--

Not Used

F3

WHT

1487

Antenna Enable Signal

F4

--

--

Not Used

F5

BLK

1051

Ground

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

--

--

Not Used

Radio C2 (w/UY4)


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 (-)

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 - 9

--

--

Not Used

10

DK GRN

835

Entertainment and Comfort 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 (w/UX8 and w/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 (w/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 (w/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 (w/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 (w/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 (w/UX8 and w/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 (w/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 (w/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/BLK

1794

Rear Subwoofer Speaker Output (-)

Speaker -- RF Door (w/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 (w/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 (w/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 (w/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 (w/UX8 and w/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

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

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

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

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