GM Service Manual Online
For 1990-2009 cars only
Table 1: Audio Amplifier C1 (w/UZ8)
Table 2: Audio Amplifier C2 (w/UZ8)
Table 3: Radio
Table 4: Radio (w/UZ8)
Table 5: Radio Antenna Module
Table 6: Remote Playback Device -- CD Changer (w/U1S)
Table 7: Speaker -- LF Door
Table 8: Speaker -- LF Door Tweeter
Table 9: Speaker -- LR
Table 10: Speaker -- LR Door (w/UZ8)
Table 11: Speaker -- LR Subwoofer (w/UZ8)
Table 12: Speaker -- RF Door
Table 13: Speaker -- RF Door Tweeter
Table 14: Speaker -- RR
Table 15: Speaker -- RR Door (w/UZ8)
Table 16: Speaker -- RR Subwoofer (w/UZ8)

Audio Amplifier C1 (w/UZ8)


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

PPL

2232

Amplfier Present Signal

A2

--

--

Not Used

A3

PNK

608

14 Volt Reference

A4

BRN/WHT

599

Left Rear Low Level Audio Signal (+)

A5

BRN

1999

Left Rear Low Level Audio Signal (-)

A6

DK GRN

1947

Left Front Low Level Audio Signal (-)

A7

TAN

511

Left Front Low Level Audio Signal (+)

A8

PNK

314

Radio On Signal

A9

LT BLU

115

Right Rear Speaker Output (-)

A10

DK BLU

46

Right Rear Speaker Output (+)

A11

YEL

116

Left Rear Speaker Output (-)

A12

BRN

199

Left Rear Speaker Output (+)

B1

DK BLU/WHT

346

Rear Subwoofer Speaker Output (+)

B2

LT GRN/BLK

1794

Rear Subwoofer Speaker Output (-)

B3

--

--

Not Used

B4

BLK

1946

Right Rear Low Level Audio Signal (-)

B5

DK BLU

546

Right Rear Low Level Audio Signal (+)

B6

LT GRN/BLK

512

Right Front Low Level Audio Signal (+)

B7

LT GRN

1948

Right Front Low Level Audio Signal (-)

B8

--

--

Not Used

B9

YEL

1956

Left Front Tweeter Speaker Output (-)

B10

BLK

1856

Left Front Tweeter Speaker Output (+)

B11

PPL

1952

Right Front Tweeter Speaker Output (-)

B12

LT GRN

1852

Right Front Tweeter Speaker Output (+)

Audio Amplifier C2 (w/UZ8)


Object Number: 73158  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1953

Right Front Midrange Speaker Output (-)

B

ORN

1853

Right Front Midrange Speaker Output (+)

C

DK BLU

1857

Left Front Midrange Speaker Output (+)

D

LT BLU

1957

Left Front Speaker Output (-)

E

RED

1242

Battery Positive Voltage

F

BLK

551

Ground

G

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

H

DK GRN

1795

Right Subwoofer Speaker Output (+)

Radio


Object Number: 726395  Size: CH

Connector Part Information

    • 15356939
    • 32-Way M DNL RW Hybrid (GRY)

pin

Wire Color

Circuit No.

Function

A1

PPL

1807

Class 2 Serial Data

A2

PPL

1807

Class 2 Serial Data

A3

--

--

Not Used

A4

RED

1486

FM Composite Signal

A5-A6

--

--

Not Used

A7

LT BLU/BLK

659

Cellular Telephone Voice Low Reference

A8

DK BLU

658

Cellular Telephone Voice Signal

A9

BLK/WHT

372

Remote Playback Device Audio Common Signal (w/U1S)

A10

BRN/WHT

367

Remote Radio Left Audio Signal (w/U1S)

A11

DK GRN/WHT

368

Remote Radio Right Audio Signal (w/U1S)

A12

BRN

199

Left Rear Speaker Output (+)

A13

YEL

116

Left Rear Speaker Output (-)

A14

DK GRN

117

Right Front Speaker Output (-)

A15

LT GRN

200

Right Front Speaker Output (+)

A16

BLK/WHT

551

Ground

B1

ORN

2240

Battery Positive Voltage

B2

ORN

2240

Battery Positive Voltage

B3

WHT

1487

Antenna Enable Signal

B4

YEL

1491

Backlight Lamps Control

B5

BLK

450

Ground

B6-B11

--

--

Not Used

B12

TAN

201

Left Front Speaker Output (+)

B13

GRY

118

Left Front Speaker Output (-)

B14

LT BLU

115

Right Rear Speaker Output (-)

B15

DK BLU

46

Right Rear Speaker Output (+)

B16

BLK/WHT

551

Ground

Radio (w/UZ8)


Object Number: 726395  Size: CH

Connector Part Information

    • 15356939
    • 32-Way M DNL RW Hybrid (GRY)

Pin

Wire Color

Circuit No.

Function

A1

PPL

1807

Class 2 Serial Data --Primary

A2

PPL

1807

Class 2 Serial Data --Primary

A3

PNK

608

14 Volt Reference

A4

RED

1486

FM Composite Signal

A5

--

--

Not Used

A6

PNK

314

Radio On Signal

A7

LT BLU/BLK

659

Cellular Telephone Voice Low Reference

A8

DK BLU

658

Cellular Telephone Voice Signal

A9

BLK/WHT

372

Remote Playback Device Audio Common Signal

A10

BRN/WHT

367

Remote Radio Left Audio Signal

A11

DK GRN/WHT

368

Remote Radio Right Audio Signal

A12

BRN/WHT

599

Left Rear Low Level Audio Signal (+)

A13

BRN

1999

Left Rear Low Level Audio Signal (-)

A14

LT GRN

1948

Right Front Low Level Audio Signal (-)

A15

LT GRN/BLK

512

Right Front Low Level Audio Signal (+)

A16

BLK/WHT

551

Ground

B1

ORN

2240

Battery Positive Voltage

B2

ORN

2240

Battery Positive Voltage

B3

WHT

1487

Antenna Enable Signal

B4

YEL

1491

Backlight Lamps Control

B5

BLK

450

Ground

B6

PPL

2232

Amplifier Present Signal

B7-B10

--

--

Not Used

B11

BARE

514

Ground

B12

TAN

511

Left Front Low Level Audio Signal (+)

B13

DK GRN

1947

Left Front Low Level Audio Signal (-)

B14

BLK

1946

Right Rear Low Level Audio Signal (-)

B15

DK BLU

546

Right Rear Low Level Audio Signal (+)

B16

BLK/WHT

551

Ground

Radio Antenna Module


Object Number: 258301  Size: CH

Connector Part Information

    • 12059254
    • 2-Way M Metri-Pack 150 Series (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

WHT

1487

Antenna Enable SIgnal

B

RED

1486

FM Composite Signal

Remote Playback Device -- CD Changer (w/U1S)


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

2640

Battery Positive Voltage

6

--

--

Not Used

7

BLK/WHT

551

Ground

8

--

--

Not Used

9

PPL

1807

Class 2 Serial Data --Primary

10

PPL

1807

Class 2 Serial Data --Primary

Speaker -- LF 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

GRY

118

Left Front Speaker Output (-)

A

DK BLU

1857

Left Front Midrange Speaker Output (+) (w/UZ8)

B

TAN

201

Left Front Speaker Output (+)

B

LT BLU

1957

Left Front Midrange Speaker Output (-) (w/UZ8)

Speaker -- LF Door Tweeter


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-)

A

YEL

1956

Left Front Tweeter Speaker Output (-) (w/UZ8)

B

TAN

201

Left Front Speaker Output (+)

B

BLK

1856

Left Front Tweeter Speaker Output (+) (w/UZ8)

Speaker -- LR


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

116

Left Rear Speaker Output (-)

B

BRN

199

Left Rear Speaker Output (+)

Speaker -- LR Door (w/UZ8)


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

116

Left Rear Speaker Output (-)

B

BRN

199

Left Rear Speaker Output (+)

Speaker -- LR Subwoofer (w/UZ8)


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

346

Left Subwoofer Speaker Output (+)

B

BRN

1794

Left Subwoofer Speaker Output (-)

Speaker -- RF 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

DK GRN

117

Right Front Speaker Output (-)

A

ORN

1853

Right Front Midrange Speaker Output (+) (w/UZ8)

B

LT GRN

200

Right Front Speaker Output(+)

B

DK GRN

1953

Right Front Midrange Speaker Output (-) (w/UZ8)

Speaker -- RF Door Tweeter


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

117

Right Front Speaker Output (-)

A

PPL

1952

Right Front Tweeter Speaker Output (-) (w/UZ8)

B

LT GRN

200

Right Front Speaker Output (+)

B

LT GRN

1852

Right Front Tweeter Speaker Output (+) (w/UZ8)

Speaker -- RR


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

115

Right Rear Speaker Output (-)

B

DK BLU

46

Right Rear Speaker Output (+)

Speaker -- RR Door (w/UZ8)


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 BLU

46

Right Rear Speaker Output (+)

B

LT BLU

115

Right Rear Speaker Output (-)

Speaker -- RR Subwoofer (w/UZ8)


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

1795

Right Subwoofer Speaker Output (+)

B

DK BLU

315

Right Subwoofer Speaker Output (-)