GM Service Manual Online
For 1990-2009 cars only
Table 1: Compact Disc (CD) Changer (U1S)
Table 2: LH Front Door Speaker
Table 3: LH Front Door Speaker (Tweeter)
Table 4: LH Rear Door Speaker (U80)
Table 5: LH Rear Speaker
Table 6: LH Rear Sub-Woofer (U80)
Table 7: Radio
Table 8: Radio W/U80
Table 9: Radio Amplifier C1 (U80)
Table 10: Radio Amplifier C2 (U80)
Table 11: Radio Antenna Module
Table 12: RH Front Door Speaker
Table 13: RH Front Door Speaker (Tweeter)
Table 14: RH Rear Door Speaker (U80)
Table 15: RH Rear Speaker
Table 16: RH Rear Sub-Woofer (U80)

Compact Disc (CD) Changer (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

Shield Ground

5

ORN

2640

Battery Positive Voltage

6

--

--

Not Used

7

BLK/WHT

551

Ground

8

--

--

Not Used

9

PPL

1807

Serial Data

10

PPL

1807

Serial Data

LH Front Door Speaker


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

Speaker Return - Left Front

B

TAN

201

Speaker Feed - Left Front

LH Front Door Speaker (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

Speaker Return - Left Front

B

TAN

201

Speaker Feed - Left Front

LH Rear Door Speaker (U80)


Object Number: 280768  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN

199

Speaker Feed - Left Rear

B

YEL

116

Speaker Return - Left Rear

LH Rear Speaker


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

Speaker Return - Left Rear

B

BRN

199

Speaker Feed - Left Rear

LH Rear Sub-Woofer (U80)


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

Speaker Feed - Left Rear

B

BRN

1794

Speaker Return - Left Rear

Radio


Object Number: 493173  Size: CH

Connector Part Information

    • 15317985
    • 32 Way M Flex (DK GRY)

Pin*

Wire Color

Circuit No.

Function

A1

Flex

1807

Data Link Connector

A2

Flex

1807

Data Link Connector

A3

--

--

Not Used

A4

Flex

1486

FM Composite

A5-A8

--

--

Not Used

A9

Flex

372

Auxiliary Input, Common (-)

A10

Flex

367

Auxiliary Input, Left (+)

A11

Flex

368

Auxiliary Input, Right (+)

A12

Flex

199

Left Rear Speaker Output (+)

A13

Flex

116

Left Rear Speaker Output (-)

A14

Flex

117

Right Front Speaker Output (-)

A15

Flex

200

Right Front Speaker Output (+)

A16

Flex

551

Ground

B1

Flex

2240

Battery Positive Voltage

B2

Flex

2240

Battery Positive Voltage

B3

Flex

1487

Antenna Power Output

B4

Flex

1491

Lighting Power Input

B5

Flex

450

Lighting Ground

B6-B11

--

--

Not Used

B12

Flex

201

Left Front Speaker Output (+)

B13

Flex

118

Left Front Speaker Output (-)

B14

Flex

115

Right Rear Speaker Output (-)

B15

Flex

46

Right Rear Speaker Output (+)

B16

Flex

551

Ground

* A Pins = Bottom

B Pins = Top

Radio W/U80


Object Number: 493173  Size: CH

Connector Part Information

    • 15317985
    • 32 Way M Flex (DK GRY)

Pin*

Wire Color

Circuit No.

Function

A1

Flex

1807

Data Link Connector

A2

Flex

1807

Data Link Connector

A3

Flex

608

Amp Switched Power Output

A4

Flex

1486

FM Composite

A5-A8

--

--

Not Used

A9

Flex

372

Auxiliary Input, Common (-)

A10

Flex

367

Auxiliary Input, Left (+)

A11

Flex

368

Auxiliary Input, Right (+)

A12

Flex

599

Left Rear Speaker Output (+)

A13

Flex

1999

Left Rear Speaker Output (-)

A14

Flex

1948

Right Front Speaker Output (-)

A15

Flex

512

Right Front Speaker Output (+)

A16

Flex

551

Ground

B1

Flex

2240

Battery Positive Voltage

B2

Flex

2240

Battery Positive Voltage

B3

Flex

1487

Antenna Module Power Output

B4

Flex

1491

Lighting Power Input

B5

Flex

450

Lighting Ground

B6

Flex

551

Amp Sense (Ground)

B7-B10

--

--

Not Used

B11

Flex

514

Shield Ground

B12

Flex

511

Left Front Speaker Output (+)

B13

Flex

1947

Left Front Speaker Output (-)

B14

Flex

1946

Right Rear Speaker Output (-)

B15

Flex

546

Right Rear Speaker Output (+)

B16

Flex

551

Ground

* A Pins = Bottom

B Pins = Top

Radio Amplifier C1 (U80)


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

PNK

608

Amp Switched Power

A2-A6

--

--

Not Used

A7

DK GRN

117

Right Front Speaker Output (-)

A8

LT GRN

200

Right Front Speaker Output (+)

A9

DK BLU

46

Right Rear Speaker Output (+)

A10

LT BLU

115

Right Rear Speaker Output (-)

A11

GRY

118

Left Front Speaker Output (-)

A12

TAN

201

Left Front Speaker Output (+)

B1-B4

--

--

Not Used

B5

TAN

511

Left Front Low Level Audio Signal (+)

B6

LT GRN/BLK

512

Right Front Low Level Audio Signal (+)

B7

BRN/WHT

599

Left Rear Low Level Audio Signal (+)

B8

DK BLU

546

Right Rear Low Level Audio Signal (+)

B9

LT GRN

1948

Right Front Low Level Audio Signal (-)

B10

BLK

1946

Right Rear Low Level Audio Signal (-)

B11

BRN

1999

Left Rear Low Level Audio Signal (-)

B12

DK GRN

1947

Left Front Low Level Audio Signal (-)

Radio Amplifier C2 (U80)


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

551

Ground

B

YEL

116

LH Rear Door Speaker Output (-)

C

DK BLU/WHT

346

LH Rear Sub-Woofer Output (+)

D

DK GRN

1795

RH Rear Sub-Woofer Output (+)

E

LT BLU/BLK

315

RH Rear Sub-Woofer Output (-)

F

LT GRN/BLK

1794

LH Rear Sub-Woofer Output (-)

G

BRN

199

LH Rear Door Speaker Output (+)

H

RED

1242

Battery Positive Voltage

Radio Antenna Module


Object Number: 258666  Size: CH

Connector Part Information

    • AMP # 172166-1
    • 3 Way M Metri-pack 150 Series (WHT)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

WHT

1487

Switched Antenna Enable Output

3

RED/WHT

1486

FM Composite Band Select Signal

RH Front Door Speaker


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

Speaker Return - Right Front

B

LT GRN

200

Speaker Feed - Right Front

RH Front Door Speaker (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

Speaker Return - Right Front

B

LT GRN

200

Speaker Feed - Right Front

RH Rear Door Speaker (U80)


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

Speaker Feed - Right Rear

B

LT BLU

115

Speaker Return - Right Rear

RH Rear Speaker


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

Speaker Return - Right Rear

B

DK BLU

46

Speaker Feed - Right Rear

RH Rear Sub-Woofer (U80)


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

Speaker Feed - Right Rear

B

DK BLU

315

Speaker Return - Right Rear