GM Service Manual Online
For 1990-2009 cars only
Connector 1: Power Amplifier
Connector 2: Radio Connector A
Connector 3: Radio Connector B
Connector 4: Radio Antenna Module
Connector 5: Speaker - Left Front
Connector 6: Speaker - Left Rear
Connector 7: Speaker - Right Front
Connector 8: Speaker - Right Rear
Connector 9: Speaker Tweeter - Left Front
Connector 10: Speaker Tweeter - Left Rear
Connector 11: Speaker Tweeter - Right Front
Connector 12: Speaker - Right Rear
Connector 13: Subwoofer Speaker

Power Amplifier


Object Number: 1466978  Size: CH

Connector Part Information

  • OEM: Amp 173853
  • Service: N/A
  • Description:

Power Amplifier

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

OG

--

Battery Voltage

3

YE

--

Speaker Return - Left Rear

4

WH

--

Speaker Feed - Left Rear

5

D-GN

--

Speaker Return - Right Front (LHD)

Speaker Return - Right Front (LHD)

6

L-GN

--

Speaker Feed - Left Front (RHD)

Speaker Feed - Left Front (RHD)

7

--

--

Not Used

8

--

--

Not Used

9

BK

--

Ground

10

OG

--

Battery Voltage

11

--

--

Not Used

12

L-BU

--

Speaker Return - Right Rear

13

D-BU

--

Speaker Feed - Right Rear

14

GY

--

Speaker Return - Left Front (LHD)

Speaker Return - Right Front (RHD)

15

BN

--

Speaker Feed - Left Front (LHD)

Speaker Feed - Right Front (RHD)

16-18

--

--

Not Used

Radio Connector A


Object Number: 1590072  Size: CH

Connector Part Information

  • OEM: PED 15464950
  • Service: N/A
  • Description: BK

Radio Connector A

Pin

Wire Color

GMDAT Pin

Function

1

OG

A7

Battery Voltage

2

BN (LHD)

A6

Speaker Feed - Left Front

L-GN (RHD)

3

L-GN (LHD)

A5

Speaker Feed - Right Front

BN (RHD)

4-5

--

A4-A3

Not Used

6

GY

A2

Power Antenna Feed

7

BK/WH

A1

Illumination Feed

8

BK

A14

Ground

9

GY (LHD)

A13

Speaker Return - Left Front

D-GN (RHD)

10

D-GN (LHD)

A12

Speaker Return - Right Front

GY (RHD)

11

--

A11

Not Used

12

BN

A10

Remote Radio Return - Ground

13

--

A9

Not Used

14

D-GN

A8

Instrument Panel Lamps Dimmer Control

Radio Connector B


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: PED 15394150
  • Service: N/A
  • Description: BK

Radio Connector B

Pin

Wire Color

GMDAT Pin

Function

1

--

B8

Not Used

2

PK/BK

B7

Remote On (w/ Amp)

3

D-GN

B6

Amp Signal Feed (w/ Amp)

4

--

B5

Not Used

5

WH

B4

Speaker Feed - Left Rear

6

D-BU

B3

Speaker Feed - Right Rear

7-8

--

B1-B2

Not Used

9

PU/WH

B16

Amp Enable (w/ Amp)

10

BK/WH

B15

Signal Shield (w/ Amp)

11

BK/WH

B14

Amp Signal - (w/ Amp)

12

L-GN

B13

Radio Control Signal - Steering Column

13

YE

B12

Speaker Return - Left Rear

14

L-BU

B11

Speaker Return - Right Rear

15

--

B10

Not Used

16

YE

B9

Ignition Voltage

Radio Antenna Module


Object Number: 1467007  Size: CH

Connector Part Information

  • OEM: KET MG 610043
  • Service: N/A
  • Description: WH

Radio Antenna Module

Pin

Wire Color

Circuit No.

Function

1

PU

--

Rear Defog Element Supply Voltage

2

GY

--

Power Antenna Feed

Speaker - Left Front


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: WH

Speaker - Left Front

Pin

Wire Color

Circuit No.

Function

1

GY (LHD)

--

Left Front Speaker Return

D-GN (RHD)

2

BN (LHD)

--

Left Front Speaker Feed

L-GN/BK (RHD)

Speaker - Left Rear


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610043
  • Service: N/A
  • Description: WH

Speaker - Left Rear

Pin

Wire Color

Circuit No.

Function

1

YE

--

Left Rear Speaker Return

2

WH

--

Left Rear Speaker Feed

Speaker - Right Front


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: WH

Speaker - Right Front

Pin

Wire Color

Circuit No.

Function

1

D-GN (LHD)

--

Right Front Return

GY (RHD)

2

L-GN/BK (LHD)

--

Right Front Speaker Feed

BN (RHD)

Speaker - Right Rear


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: WH

Speaker - Right Rear

Pin

Wire Color

Circuit No.

Function

1

YE

--

Right Rear Speaker Return

2

WH

--

Right Rear Speaker Feed

Speaker Tweeter - Left Front


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: WH

Speaker Tweeter - Left Front

Pin

Wire Color

Circuit No.

Function

1

GY

--

Left Front Speaker Return

2

BN

--

Left Front Speaker Feed

Speaker Tweeter - Left Rear


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610043
  • Service: N/A
  • Description: WH

Speaker Tweeter - Left Rear

Pin

Wire Color

Circuit No.

Function

1

YE

--

Left Rear Speaker Return

2

WH

--

Left Rear Speaker Feed

Speaker Tweeter - Right Front


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: WH

Speaker Tweeter - Right Front

Pin

Wire Color

Circuit No.

Function

1

D-GN

--

Right Front Speaker Return

2

L-GN

--

Right Front Speaker Feed

Speaker - Right Rear


Object Number: 1467020  Size: CH

Connector Part Information

  • OEM: KET MG 610070
  • Service: N/A
  • Description: WH

Speaker - Right Rear

Pin

Wire Color

Circuit No.

Function

1

YE

--

Right Rear Speaker Return

2

WH

--

Right Rear Speaker Feed

Subwoofer Speaker


Object Number: 1467046  Size: CH

Connector Part Information

  • OEM: N/A
  • Service: N/A
  • Description:

Subwoofer Speaker

Pin

Wire Color

Circuit No.

Function

1

OG

--

Battery Voltage

2

OG

--

Battery Voltage

3

D-GN

--

Signal Feed

4

BK

--

Ground

5

BK

--

Ground

6

PK

--

Remote On

7

PU

--

Enable

8

BK

--

Signal Return