GM Service Manual Online
For 1990-2009 cars only

Audio Amplifier C1


Object Number: 73158  Size: CH

Connector PartInformation

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

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

351

Ground

B

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

C

LT GRN/BLK

1794

Left Subwoofer Speaker Output (-)

D-E

--

--

Not Used

F

DK BLU/WHT

346

Left Subwoofer Speaker Output (+)

G

DK GRN

1795

Right Subwoofer Speaker Output (+)

H

ORN

440

Battery Positive Voltage

Audio Amplifier C2


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1-A4

--

--

Not Used

A5

DK BLU

46

Right Rear Speaker Output (+)

A6

LT BLU

115

Right Rear Speaker Output (-)

A7

BRN

199

Left Rear Speaker Output (+)

A8

YEL

116

Left Rear Speaker Output (-)

A9

LT GRN

200

Right Front Speaker Output (+)

A10

DK GRN

117

Right Front Speaker Output (-)

A11

TAN

201

Left Front Speaker Output (+)

A12

GRY

118

Left Front Speaker Output (-)

B1-B2

--

--

Not Used

B3

BLK

1946

Right Rear Low Level Audio Signal (-)

B4

DK BLU

546

Right Rear Low Level Audio Signal (+)

B5

BRN/WHT

1999

Left Rear Low Level Audio Signal (-)

B6

BRN

599

Left Rear Low Level Audio Signal (+)

B7

LT GRN/WHT

1948

Right Front Low Level Audio Signal (-)

B8

LT GRN

512

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

PNK

314

Radio On Signal

B12

-

-

Not Used

Radio C1 (w/o U85)


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

ORN

1044

Radio Class 2 Serial Data

A2-A5

--

--

Not Used

A6

PPL

2335

Accessory Voltage (UQ3)

A7

DK BLU

1796

Steering Wheel Controls Signal (UQ3)

A8

TAN

201

Left Front Speaker Output (+)

A9

GRY

118

Left Front Speaker Output (-)

A10

LT BLU

115

Right Rear Speaker Output (-)

A11

DK BLU

46

Right Rear Speaker Output (+)

A12

BLK/WHT

351

Ground

B1

ORN/BLK

640

Battery Positive Voltage

B2-B3

--

--

Not Used

B4

BRN/WHT

230

Instrument Panel Lamps Dimming Control

B5

BLK

1550

Ground

B6

BLK/WHT

351

Ground (UQ3)

B7

--

--

Not Used

B8

BRN

199

Left Rear Speaker Output (+)

B9

YEL

116

Left Rear Speaker Output (-)

B10

DK GRN

117

Right Front Speaker Output (-)

B11

LT GRN

200

Right Front Speaker Output (+)

B12

GRY/BLK

308

Park Lamp Switch On Signal

Radio C1 (w/U85)


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

ORN

1044

Radio Class 2 Serial Data

A2-A5

--

--

Not Used

A6

PPL

2335

Accessory Voltage

A7

DK BLU

1796

Steering Wheel Controls Signal

A8

TAN

511

Left Front Low Level Audio Signal (+)

A9

DK GRN

1947

Left Front Low Level Audio Signal (-)

A10

BLK

1946

Right Rear Low Level Audio Signal (-)

A11

DK BLU

546

Right Rear Low Level Audio Signal (+)

A12

BLK/WHT

351

Ground

B1

ORN/BLK

640

Battery Positive Voltage

B2

--

--

Not Used

B3

PNK

314

Radio On Signal

B4

BRN/WHT

230

Instrument Panel Lamps Dimming Control

B5

BLK

1550

Ground

B6

BLK/WHT

351

Ground

B7

--

--

Not Used

B8

BRN

599

Left Rear Low Level Audio Signal (+)

B9

BRN/WHT

1999

Left Rear Low Level Audio Signal (-)

B10

LT GRN/

WHT

1948

Right Front Low Level Audio Signal (-)

B11

LT GRN

512

Right Front Low Level Audio Signal (+)

B12

GRY/BLK

308

Park Lamp Switch On Signal

Radio C2


Object Number: 73151  Size: CH

Connector Part Information

    • 12064799
    • 12-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A-K

--

--

Not Used

L

BLK/WHT

372

Remote Radio Audio Output (-)

M

DK GRN/

WHT

368

Remote Radio Right Audio Signal

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 (-)

B

TAN

201

Left Front Speaker Output (+)

Speaker - LF Door Tweeter


Object Number: 95782  Size: CH

Connector Part Information

    • 12064750
    • 2-Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-)

B

TAN

201

Left Front 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 (-)

B

LT GRN

200

Right Front Speaker Output (+)

Speaker - RF Door Tweeter


Object Number: 95782  Size: CH

Connector Part Information

    • 12064750
    • 2-Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

117

Right Front Speaker Output (-)

B

LT GRN

200

Right Front Speaker Output (+)

Speaker - LR (UQ3)


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 - RR (UQ3)


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 - LR (w/U85)


Object Number: 130637  Size: CH

Connector Part Information

    • 12064760
    • 4-Way F Micro-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

YEL

116

Left Rear Speaker Output (-)

D

BRN

199

Left Rear Speaker Output (+)

Speaker - RR (w/U85)


Object Number: 130637  Size: CH

Connector Part Information

    • 12064760
    • 4-Way F Micro-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

B

DK GRN

1795

Right Subwoofer Speaker Output (+)

C

LT BLU

115

Right Rear Speaker Output (-)

D

DK BLU

46

Right Rear Speaker Output (+)