GM Service Manual Online
For 1990-2009 cars only
Table 1: Compact Disc (CD) Changer
Table 2: LH Front Speaker (UX9)
Table 3: LH Front Door Full Range Speaker (UX8)
Table 4: LH Front Door Speaker (UX9)
Table 5: LH Front Door Full Tweeter Speaker (UX8)
Table 6: LH Rear Door Speaker (UX8 & UX9)
Table 7: Noise Cancellation Microphone
Table 8: Radio (w/o UY4)
Table 9: Radio Amplifier (UX8) C1
Table 10: Radio Amplifier (UX8) C2
Table 11: Radio Amplifier (UX8) C3
Table 12: Radio Amplifier (UX9) C1
Table 13: Radio Amplifier (UX9) C2
Table 14: Radio Amplifier (UX9) C3
Table 15: Rear Speaker (Subwoofer) (UX8)
Table 16: Rear Speaker (Subwoofer) (UX9)
Table 17: RH Front Speaker (UX9)
Table 18: RH Front Door Full Range Speaker (UX8)
Table 19: RH Front Door Speaker (UX9)
Table 20: RH Rear Door Speaker (UX8 & UX9)

Compact Disc (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 Signal-Left Audio

2

DK GRN/WHT

368

Remote Radio Signal-Right Audio

3

BLK/WHT

372

Remote Radio Return-Audio

4

BARE

1782

Drain Wire Return

5

ORN

2240

Battery Positive Voltage (B+)

6

--

--

Not Used

7

BLK/WHT

651

Ground

8-9

--

--

Not Used

10

DK GRN

835

E and C Data Line

Center IP Speaker (Midrange) (UX8&UX9)


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1960

Speaker Return - Front Center

B

YEL

1860

Speaker Feed - Front Center

LH Front Speaker (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

Speaker Return-Left Front

B

BLK

1856

Speaker Feed-Left Front

LH Front Door Full Range Speaker (UX8)


Object Number: 38278  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1957

Speaker Return-Left Front-Midrange

B

DK BLU

1857

Speaker Feed-Left Front-Midrange

LH Front Door Speaker (UX9)


Object Number: 153645  Size: CH

Connector Part Information

    • 12129081
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1974

Speaker Return-Left Front

B

LT BLU

1874

Speaker Feed-Left Front

LH Front Door Full Tweeter Speaker (UX8)


Object Number: 95782  Size: CH

Connector Part Information

    • 12103721
    • 2 Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

1956

Speaker Return-Left Front-Tweeter

B

BLK

1856

Speaker Feed-Left Front-Tweeter

LH Rear Door Speaker (UX8 & UX9)


Object Number: 38278  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WHT

1959

Speaker Return-Left Rear-Midrange

B

TAN

1859

Speaker Feed-Left Rear-Midrange

Noise Cancellation Microphone


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2 Way F 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BARE

1498

Noise Cancel Return

B

WHT

1488

Noise Cancel Signal

Radio (w/o UY4)


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

E and C Data Line

E2-E3

--

--

Not Used

E4

RED

1486

FM Composity

E5

YEL/BLK

1491

Interior Lamps Input

E6

PPL

1807

Class 2 Serial Data Line

E7-E11

--

--

Not Used

E12

TAN

511

LH Audio Output +

E13

DK GRN

1947

LH Audio Output -

E14

BARE

2011

Audio Ground

E15

BARE

2012

Audio Ground

E16

BLK/WHT

651

Ground

F1

ORN

2240

Battery Positive Voltage (B+)

F2

--

--

Not Used

F3

WHT

1487

Antenna Power

F4

--

--

Not Used

F5

BLK

450

Ground

F6

PPL

1807

Class 2 Serial Data Line

F7-F10

--

--

Not Used

F11

BARE

1792

Chime Ground

F12

PPL/WHT

652

Chime Output +

F13

DK BLU/WHT

653

Chime Output -

F14

LT GRN

1948

RH Audio Output -

F15

LT GRN/BLK

512

RH Audio Output +

F16

--

--

Not Used

Radio C1 (w/UY4)


Object Number: 73222  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

E1

DK GRN

835

Diagnostic Signal - Entertainment And Comfort

E2-E3

--

--

Not Used

E4

RED

1486

FM Composite Band Select Signal

E5

YEL

1491

Dash Integration Module Output - Backlighting Lamps

E6

PPL

1807

Serial Data Signal - Class B - 10400 Baud - Primary

E7-E11

--

--

Not Used

E12

TAN

511

Audio Signal - Left Front - Low Level

E13

DK GRN

1947

Audio Return - Left Front - Low Level

E14

BARE

2011

Drain Wire Return - Left Front Audio

E15

BARE

2012

Drain Wire Return - Right Front Audio

E16

BLK/WHT

651

Fuel Gauge Sensor Ground

F1

ORN

2240

Fused Output - Battery

F2

--

--

Not Used

F3

WHT

1487

Switched Antenna Enable Output

F4

--

--

Not Used

F5

BLK

1051

Radio Ground

F6

PPL

1807

Serial Data Signal - Class B - 10400 Baud - Primary

F7-F10

--

--

Not Used

F11

BARE

1792

Drain Wire Return

F12

PPL/WHT

652

Chime Module Control

F13

DK BLU/WHT

653

Chime Module Return

F14

LT GRN

1948

Audio Return - Right Front - Low Level

F15

LT GRN/BLK

512

Audio Signal - Right Front - Low Level

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

ORN/BLK

2061

Navigation Audio Signal - Mono - Low

8

PNK/BLK

2062

Navigation Audio Signal - Mono - High

9-10

--

--

Not Used

11

BARE

814

Drain Wire Return

12

BRN/WHT

2052

Navigation Audio Signal - Stereo Left High

13

GRA/BLK

2053

Navigation Audio Signal - Stereo Left Low

14

DK GRN/WHT

2054

Navigation Audio Signal - Stereo Right High

15

PPL/WHT

2055

Navigation Audio Signal - Stereo Right Low

Radio Amplifier (UX8) C1


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

1952

RH Front Tweeter Output -

A2

LT GRN

1852

RH Front Tweeter Output +

A3

BLK

1856

LH Front Tweeter Output +

A4

YEL

1956

LH Front Tweeter Output -

A5

DK BLU/WHT

346

Rear Shelf Subwoofer Coil 1 Output +

A6

LT GRN/BLK

1794

Rear Shelf Subwoofer Coil 1 Output -

A7

YEL

1860

Center I/P Midrange Output +

A8

LT BLU

1960

Center I/P Midrange Output -

A9

DK GRN

1795

Rear Shelf Subwoofer Coil 2 Output +

A10

LT BLU/BLK

315

Rear Shelf Subwoofer Coil 2 Output -

A11-A12

--

--

Not Used

B1

DK GRN/WHT

368

Right CD Changer Input

B2

BLK/WHT

372

CD Changer Common

B3

BRN/WHT

367

Left CD Changer Input

B4

LT GRN

1948

Right Audio Input -

B5

LT GRN/BLK

512

Right Audio Input +

B6

DK GRN

1947

Left Audio Input -

B7

TAN

511

Left Audio Input +

B8

DK BLU/WHT

653

Chime Input/Return

B9

PPL/WHT

652

Chime Input +

B10

--

--

Not Used

B11

PPL

1807

Class 2 Serial Data Line

B12

PPL

1807

Class 2 Serial Data Line

Radio 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

LH Front Door Speaker Output -

A2

DK BLU

1857

LH Front Door Speaker Output +

A3

DK GRN

1953

RH Front Door Speaker Output -

A4

ORN

1853

RH Front Door Speaker Output +

A5

RED

1955

RH Rear Door Speaker Output -

A6

TAN

1855

RH Rear Door Speaker Output +

A7

WHT

1959

LH Rear Door Speaker Output -

A8

TAN

1859

LH Rear Door Speaker Output +

B1

DK BLU

658

Cell Phone Mono Input +

B2

LT BLU/BLK

659

Cell Phone Mono Input -

B3-B8

--

--

Not Used

Radio 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/WHT

651

Ground

B

RED

1242

Battery Positive Voltage (B+)

Radio Amplifier (UX9) C1


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

TAN

1859

LH Rear Door Speaker +

A3

WHT

1959

LH Rear Door Speaker -

A4

BLK

1856

LH I/P Speaker +

A5

YEL

1956

LH I/P Speaker -

A6

LT BLU

1960

Center I/P Speaker -

A7

YEL

1860

Center I/P Speaker +

A8

PPL

1952

RH I/P Speaker -

A9

LT GRN

1852

RH I/P Speaker +

A10

RED

1955

RH Rear Door Speaker -

A11

TAN

1855

RH Rear Door Speaker +

A12

PPL/WHT

652

Chime Input +

B1-B4

--

--

Not Used

B5

BRN/WHT

367

Left CD Changer Input

B6

DK GRN/WHT

368

Right CD Changer Input

B7

BLK/WHT

372

CD Changer Common

B8

LT GRN

1948

Right Audio Input -

B9

DK GRN

1947

Left Audio Input -

B10

TAN

511

Left Audio Input +

B11

LT GRN/BLK

512

Right Audio Input +

B12

DK BLU/WHT

653

Chime Input / Signal Return

Radio Amplifier (UX9) C2


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 Shelf Subwoofer +

C

BLK/WHT

1975

RH Front Door Speaker -

D

LT BLU

1874

LH Front Door Speaker +

E

BLK

1974

LH Front Door Speaker -

F

BLK

1875

RH Front Door Speaker +

G

LT GRN

1794

Rear Shelf Subwoofer -

H

RED

1242

Battery Positive Voltage (B+)

Radio Amplifier (UX9) 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 Line

6

PPL

1807

Class 2 Serial Data Line

7

Bare

1489

Microphone Input -

8

DK GRN

1488

Microphone Input +

9

LT BLU/BLK

659

Cell Phone Mono Input -

10

DK BLU

658

Cell Phone Mono Input +

Radio Antenna Module


Object Number: 258666  Size: CH

Connector Part Information

    • 12186246
    • 3 Way (NAT)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

WHT

1487

Switched Antenna Enable Output

3

RED

1486

FM Composite Band Select Signal

Rear Speaker (Subwoofer) (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

Subwoofer Speaker Return

B

DK BLU/WHT

346

Subwoofer Speaker Feed

C

LT BLU/BLK

315

Subwoofer Speaker Return

D

DK GRN

1795

Subwoofer Speaker Feed

Rear Speaker (Subwoofer) (UX9)


Object Number: 153645  Size: CH

Connector Part Information

    • 12129081
    • 2 Way Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

346

Subwoofer Speaker Feed

B

LT GRN/BLK

1794

Subwoofer Speaker Return

RH Front Speaker (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

Speaker Return - Right Front

B

LT GRN

1852

Speaker Feed - Right Front

RH Front Door Full Range Speaker (UX8)


Object Number: 38278  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1953

Speaker Return

B

ORN

1853

Speaker Feed

RH Front Door Speaker (UX9)


Object Number: 153645  Size: CH

Connector Part Information

    • 12129081
    • 2 Way Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1975

Speaker Return - Right Front

B

BLK

1875

Speaker Feed - Right Front

RH Front Door Speaker (Tweeter) (UX8)


Object Number: 95782  Size: CH

Connector Part Information

    • 12052833
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1952

Speaker Return - Right Front - Tweeter

B

LT GRN

1852

Speaker Feed - Right Front - Tweeter

RH Rear Door Speaker (UX8 & UX9)


Object Number: 38278  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

RED

1955

Speaker Return-Right Rear-Midrange (w/ UX8)

A

WHT

1955

Speaker Return-Right Rear-Midrange (w/ UX9)

B

TAN

1855

Speaker Feed-Right Rear-Midrange

RH Side Steering Wheel Controls


Object Number: 258173  Size: CH

Connector Part Information

    • 12064983
    • 5 Way F Micro-Pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

1796

Steering Wheel Control (SWC) Return

2

PPL

1375

SWC Input

3

YEL

1491

Dash Integration Module Output - Backlighting Lamps

4

BLK

350

Ground

5

PPL

1375

SWC Input

LH Side Steering Wheel Controls


Object Number: 258172  Size: CH

Connector Part Information

    • 12064982
    • 5 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK

350

Ground

2

YEL

1491

Dash Integration Module Output - Backlighting Lamps

3

PPL

1375

Steering Wheel Control (SWC) Input

4

DK BLU

1796

SWC Return

5

--

--

Not Used