GM Service Manual Online
For 1990-2009 cars only
Connector 1: Audio Amplifier - C1
Connector 2: Audio Amplifier - C2
Connector 3: Auxiliary Audio/Video Control
Connector 4: Noise Compensation Microphone
Connector 5: Radio - C1
Connector 6: Radio - C2
Connector 7: Radio - C3
Connector 8: Radio - C4
Connector 9: Radio - C5
Connector 10: Radio - C6
Connector 11: Center I/P Speaker
Connector 12: Left Speaker - Driver Seat
Connector 13: Right Speaker - Driver Seat
Connector 14: Left Rear Speaker
Connector 15: Speaker - LF Panel
Connector 16: Left Front Door Subwoofer Speaker
Connector 17: Speaker - LR Door
Connector 18: Left Speaker - Front Passenger Seat
Connector 19: Right Speaker - Front Passenger Seat
Connector 20: Rear Console Speaker
Connector 21: Rear Subwoofer Speaker
Connector 22: Speaker - RF Panel
Connector 23: Right Front Door Subwoofer Speaker
Connector 24: Speaker - RR Door
Connector 25: Speaker - RR
Connector 26: Steering Wheel Control Button - C1
Connector 27: Infrared Module
Connector 28: Radio Antenna Module - C1
Connector 29: Radio Antenna Module - C3
Connector 30: TV Antenna Signal Amplifier - C1
Connector 31: TV Antenna Signal Amplifier - C2
Connector 32: TV Tuner Assembly - C1
Connector 33: TV Tuner Assembly - C2
Connector 34: TV Tuner Assembly - C3
Connector 35: Rear Seat Entertainment Control Module - C1
Connector 36: Rear Seat Entertainment Control Module - C2
Connector 37: Left Seat Video Display Module
Connector 38: Right Seat Video Display Module

Audio Amplifier - C1


Object Number: 2016110  Size: CH

Connector Part Information

  • 1350367
  • Description: 32-Way F

Audio Amplifier - C1

Pin

Wire

Circuit

Function

1

BN

511

LF Low Level Audio Signal

2

D-BU

512

RF Low Level Audio Signal

3

D-BU

6760

Center Channel Low Level Audio Signal

4

WH

6765

Subwoofer Low Level Audio Signal

5

D-GN/WH

5312

LR Low Level Audio Signal

6

D-GN/WH

5313

RR Low Level Audio Signal

7

--

--

Not Used

8

PU

5837

Amplifier Audio Prompt Signal (+)

9

D-GN

1488

Noise Compensation Microphone (+)

10

D-GN

5060

Low Speed GMLAN Serial Data

11-13

--

--

Not Used

14

PU/WH

5754

Amplifier Driven Bass Adjustment (1)

15

PK/BK

5755

Amplifier Driven Bass Adjustment (1)

16

PK/BK

5755

Amplifier Driven Bass Adjustment (2)

17

BN/WH

1947

LF Low Level Audio (-)

18

D-BU/WH

1948

RF Low Level Audio (-)

19

OG

6761

Center Channel Low Level Audio Signal (-)

20

OG/BK

6162

Subwoofer Low Level Audio Signal (-)

21

D-BU/BK

5314

LR Low Level Audio (-)

22

GY/BK

5830

RR Low Level Audio (-)

23

--

--

Not Used

24

GY

5836

Amplifier Audio Prompt Signal (-)

25

BARE

1489

Noise Compensation Microphone Drain Wire

26-32

--

--

Not Used

Audio Amplifier - C2


Object Number: 1420767  Size: CH

Connector Part Information

  • OEM: 13540501
  • 22-Way F Black

Audio Amplifier - C2

Pin

Wire

Circuit

Function

1

RD/BK

1242

Battery Positive Voltage

2

BK

850

Ground

3

OG

5756

Center Console Speaker (+)

4

D-BU

5761

Left Rear Shelf Speaker (+)

5

L-BU

5762

Right Rear Shelf Speaker (+)

6

YE

1860

Front Center Speaker (+)

7

L-BU

1874

Left Front Speaker (+) (2)

8

TN

1875

Right Front Speaker (+) (2)

9

YE

5759

RF Seat Left Speaker (+)

10

D-GN

5757

LF Seat Left Speaker (+)

11

TN

1855

Right Rear Midrange Speaker (+) (DA)

12

OG

1955

Right Rear Midrange Speaker (-) (DA)

13

TN

1859

Left Rear Midrange Speaker (+) (DA)

14

WH

1959

Left Rear Midrange Speaker (-) (DA)

15

OG/BK

5766

Center I/P Speaker (-)

16

D-BU/WH

5771

Left Rear Shelf Speaker (-)

17

L-BU/BK

5772

Right Rear Shelf Speaker (-)

18

L-BU

1960

Front Center Speaker (-)

19

TN/WH

1974

Left Front Speaker (-) (2)

20

TN/WH

1975

Right Front Speaker (-) (2)

21

YE/BK

5769

RF Seat Left Speaker (-)

22

D-GN/WH

5767

LF Seat Left Speaker (-)

23

GY

5758

LF Seat Right Speaker (+)

24

L-GN

5760

RF Seat Right Speaker (+)

25-26

--

--

Not Used

27

TN

1856

Left Front Woofer Speaker (+)

28

L-GN

1852

Right Front Woofer Speaker (+)

29

D-BU/WH

346

Left/Rear Subwoofer Speaker (+)

30

--

--

Not Used

31

GY/BK

5768

LF Seat Right Speaker (-)

32

L-GN/BK

5770

RF Seat Right Speaker (-)

33-34

--

--

Not Used

35

YE

1956

Left Front Woofer Speaker (-)

36

PU

1952

Right Front Woofer Speaker (-)

37

L-GN/BK

1794

Rear Subwoofer Speaker (-)

38

--

--

Not Used

Auxiliary Audio/Video Control


Object Number: 2016111  Size: CH

Auxiliary Audio/Video Control

Pin

Wire

Circuit

Function

1

YE

2059

Left Auxiliary Audio Signal (1)

2

WH

2058

Right Auxiliary Audio Signal (1)

3

BARE

814

Drain Wire

4

PU

2056

Auxiliary Video High Signal

5

BARE

814

Drain Wire

6

RED

2060

Auxiliary Detection Signal

Noise Compensation Microphone


Object Number: 35441  Size: CH

Connector Part Information

  • OEM: 12047663
  • Description: 2-Way F BK)

Noise Compensation Microphone

Pin

Wire

Circuit

Function

A

BARE

1489

Noise Compensation Microphone Drain Wire

B

D-GN

1488

Noise Compensation Microphone (+)

Radio - C1


Object Number: 2016113  Size: CH

Connector Part Information

  • OEM: 15464950
  • 14-Way F Black

Radio - C1

Pin

Wire

Circuit

Function

1

RD/WH

2240

Battery Positive Voltage

2

BN

511

LF Low Level Audio Signal (+)

3

D-BU

512

RF Low Level Audio Signal (+)

4

GY

655

Cellular Microphone Signal (+)

5

BARE

1782

Cellular Microphone Signal Drain Wire (-)

6

PK

5165

Infrared Enable Signal

7

YE

6817

LED Backlight Dimming Control

8

BK/WH

851

Ground

9

BN/WH

1948

LF Low Level Audio Signal (-)

10

D-BU/WH

1948

RF Low Level Audio Signal (-)

11

BARE

2012

Front Low Level Audio Signal Drain Wire

12

--

--

Not Used

13

D-GN

5060

Low Speed GMLAN Serial Data

14

--

--

Not Used

Radio - C2


Object Number: 2016114  Size: CH

Connector Part Information

  • OEM: 15394150
  • 16-Way F Black

Radio - C2

Pin

Wire

Circuit

Function

1

D-GN/WH

5337

TV Left Audio Signal (+)

2

D-BU/WH

5338

TV Right Audio Signal (+)

3

BARE

2099

Rear Low Level Audio Signal Drain Wire

Left Rear DVD Signal Drain Wire

4

D-GN

7396

Left Rear DVD Signal (+)

5

YE

599

LR Low Level Audio Signal (+)

6

GY

546

RR Low Level Audio Signal (+)

7-8

--

--

Not Used

9

GY/BK

5339

TV Left Audio Signal (-)

10

D-BU/BK

5345

TV Right Audio Signal (-)

11

BARE

814

TV Audio Signal Drain Wire

12

WH

7394

Left Rear DVD Signal (-)

13

BN

1999

LR Low Level Audio Signal (-)

14

D-GN

1946

RR Low Level Audio Signal (-)

15

--

--

Not Used

16

D-GN/WH

7395

LR DVD Mode Set Signal

Radio - C3


Object Number: 2016114  Size: CH

Connector Part Information

  • OEM: 15394149
  • Service: 89047195
  • Description: 16-Way F (GY)

Radio - C3

Pin

Wire

Circuit

Function

1

YE

2059

Left Auxiliary Audio Signal

2

WH

2058

Right Auxiliary Audio Signal

3-4

--

--

Not Used

5

OG/BK

5831

Infrared Signal (+)

6

PK/BK

5844

DVD Control Signal

7

D-GN

6975

Right Rear DVD Signal (+)

8

PU

2056

Auxiliary Video Signal (+)

9

BARE

814

Auxiliary Audio Signal Drain Wire

10

D-GN/WH

5845

RR DVD Mode Setting Signal

11-13

--

--

Not Used

14

BARE

6976

Right Rear DVD Signal Drain Wire

15

WH/BK

5335

Right Rear DVD Signal (-)

16

RD

2057

Auxiliary Video Signal (-)

Radio - C4


Object Number: 2016116  Size: CH

Connector Part Information

  • OEM: 15394151
  • Description: 16-Way F (BN)

Radio - C4

Pin

Wire

Circuit

Function

1-2

--

--

Not Used

3

D-BU

6760

Center Channel Low Level Audio Signal (+)

4

WH

6765

Ultra Low Level Audio Signal (+)

5

BN

818

Vehicle Speed Signal

6

GY

5231

TV Signal

7

BARE

1705

TV Signal Drain Wire

8

PU

5837

Amplifier Audio Prompt Signal (+)

9-10

--

--

Not Used

11

OG

6761

Center Channel Low Level Audio Signal (-)

12

OG/BK

6162

Ultra Low Level Audio Signal (-)

13

BARE

6759

Low Level Audio Signal Drain Wire

14

--

--

Not Used

15

BARE

5838

Amplifier Audio Prompt Signal Drain Wire

16

GY

5836

Amplifier Audio Prompt Signal (-)

Radio - C5


Object Number: 2016118  Size: CH

Radio - C5

Pin

Wire

Circuit

Function

C

BK

COAX

Radio Antenna

Radio - C6


Object Number: 2016119  Size: CH

Radio - C6

Pin

Wire

Circuit

Function

S

BK

COAX

GPS Antenna

Center I/P Speaker


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Description: 2-Way F (BK)

Center I/P Speaker

Pin

Wire

Circuit

Function

A

L-BU

1960

Front Center Speaker (-)

B

YE

1860

Front Center Speaker (+)

Left Speaker - Driver Seat


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Description: 2-Way F

Left Speaker - Driver Seat

Pin

Wire

Circuit

Function

A

D-GN/WH

5767

Left Front Seat Left Speaker (-)

B

D-GN

5757

Left Front Seat Left Speaker (+)

Right Speaker - Driver Seat


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Description: 2-Way F

Right Speaker - Driver Seat

Pin

Wire

Circuit

Function

A

GY/BK

5768

Left Front Seat Right Speaker (-)

B

GY

5758

Left Front Seat Right Speaker (+)

Left Rear Speaker


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Description: 2-Way F (BK)

Left Rear Speaker

Pin

Wire

Circuit

Function

A

D-BU/WH

5771

Left Rear Shelf Speaker (-)

B

D-BU

5761

Left Rear Shelf Speaker (+)

Speaker - LF Panel


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Description: 2-Way F (BK)

Speaker - LF Panel

Pin

Wire

Circuit

Function

A

TN/WH

1974

Left Front Speaker (-) (2)

B

L-BU

1874

Left Front Speaker (+) (2)

Left Front Door Subwoofer Speaker


Object Number: 1420766  Size: CH

Connector Part Information

  • OEM: 6098-2180
  • Description: 5-Way F (BK)

Left Front Door Subwoofer Speaker

Pin

Wire

Circuit

Function

A

RD/WH

640

Battery Positive Voltage

B

BK/WH

850

Ground

C

PU/WH

5754

Amplifier Driven Bass Adjustment (1)

D

YE

1956

Speaker-LF Door (-)

E

TN

1856

Speaker-LF Door (+)

Speaker - LR Door


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Description: 2-Way F (BK)

Speaker - LR Door

Pin

Wire

Circuit

Function

A

WH

1959

Left Rear Midrange Speaker (-)

B

TN

1859

Left Rear Midrange Speaker (+)

Left Speaker - Front Passenger Seat


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Description: 2-Way F

Left Speaker - Front Passenger Seat

Pin

Wire

Circuit

Function

A

YE/BK

5769

Right Front Seat Left Speaker (-)

B

YE

5759

Right Front Seat Left Speaker (+)

Right Speaker - Front Passenger Seat


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Description: 2-Way F

Right Speaker - Front Passenger Seat

Pin

Wire

Circuit

Function

A

L-GN/BK

5770

Right Front Seat Right Speaker (-)

B

L-GN

5760

Right Front Seat Right Speaker (+)

Rear Console Speaker


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Description: 2-Way F (BK)

Rear Console Speaker

Pin

Wire

Circuit

Function

A

OG/BK

5766

Center I/P Speaker (-)

B

OG

5756

Center Console Speaker (+)

Rear Subwoofer Speaker


Object Number: 1420766  Size: CH

Connector Part Information

  • OEM: 13536060
  • Description: 5-Way F Black

Rear Subwoofer Speaker

Pin

Wire

Circuit

Function

A

L-GN/BK

1794

Battery Positive Voltage

B

D-BU/WH

346

Ground

C

PK/BK

5755

Amplifier Driven Bass Adjustment (2)

D

L-GN/BK

1794

Rear Subwoofer Speaker (-)

E

D-BU/WH

346

Rear Subwoofer Speaker (+)

Speaker - RF Panel


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • 2-Way F Black

Speaker - RF Panel

Pin

Wire

Circuit

Function

A

TN/WH

1975

Right Front Speaker (-) (2)

B

TN

1875

Right Front Speaker (+) (2)

Right Front Door Subwoofer Speaker


Object Number: 1420766  Size: CH

Connector Part Information

  • OEM: 13536060
  • Description: 5-Way F (BK)

Right Front Door Subwoofer Speaker

Pin

Wire

Circuit

Function

A

RD/WH

740

Battery Positive Voltage

B

BK

850

Ground

C

PK/BK

5755

Amplifier Driven Bass Adjustment (1)

D

PU

1952

Speaker - RF Door (-)

E

L-GN

1852

Speaker - RF Door (+)

Speaker - RR Door


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Description: 2-Way F (BK)

Speaker - RR Door

Pin

Wire

Circuit

Function

A

OG

1955

Right Rear Midrange Speaker (-)

B

TN

1855

Right Rear Midrange Speaker (+)

Speaker - RR


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Description: 2-Way F (BK)

Speaker - RR

Pin

Wire

Circuit

Function

A

L-BU/BK

5772

Right Rear Shelf Speaker (-)

B

L-BU

5762

Right Rear Shelf Speaker (+)

Steering Wheel Control Button - C1


Object Number: 2010145  Size: CH

Connector Part Information

  • OEM: 12064769
  • Description: 10-Way F (WH)

Steering Wheel Control Button - C1

Pin

Wire

Circuit

Function

A

TN

28

Audio Switch

B

BK

350

Ground

C

--

--

Not Used

D

PK

1239

Mode Control

E

--

--

Not Used

F

YE

1491

Backlighting Control

G

D-BU

1796

Steering Wheel Control Switch Signal

H

PU

1375

Remote Radio Control Panel Accessory Supply Voltage

RD

1375

Remote Radio Control Panel Accessory Supply Voltage

Infrared Module


Object Number: 2016120  Size: CH

Connector Part Information

  • OEM: 15324655
  • Description: 3-Way F (BK)

Infrared Module

Pin

Wire

Circuit

Function

1

PK

1239

Infrared Signal

2

OG/BK

5831

Power Switch

3

BK

850

Ground

Radio Antenna Module - C1


Object Number: 2016118  Size: CH

Connector Part Information

  • Description: (BK)

Radio Antenna Module - C1

Pin

Wire

Circuit

Function

A

BK

COAX

AM/FM

Radio Antenna Module - C3


Object Number: 2016122  Size: CH

Connector Part Information

  • OEM: 13536291
  • Description: 1-Way F (BK)

Radio Antenna Module - C3

Pin

Wire

Circuit

Function

A

PK

5165

Control Power Supply Voltage

TV Antenna Signal Amplifier - C1


Object Number: 2016123  Size: CH

Connector Part Information

  • Description: (BK)

TV Antenna Signal Amplifier - C1

Pin

Wire

Circuit

Function

1

BK

COAX

TV Antenna 1

2

BK

COAX

TV Antenna 2

TV Antenna Signal Amplifier - C2


Object Number: 2016124  Size: CH

Connector Part Information

  • Description: (BK)

TV Antenna Signal Amplifier - C2

Pin

Wire

Circuit

Function

1

BK

COAX

TV Antenna 3

2

BK

COAX

TV Antenna 4

TV Tuner Assembly - C1


Object Number: 2016126  Size: CH

Connector Part Information

  • OEM: 10779552
  • Description: 54-Way F (L-BU)

TV Tuner Assembly - C1

Pin

Wire

Circuit

Function

1

--

--

Not Used

2

D-GN

5060

Low Speed GMLAN Serial Data

3-4

--

--

Not Used

5

D-BU/WH

5338

TV Right Audio Signal (+)

6

YE

5345

TV Audio Signal (-)

7

D-GN/WH

5337

TV Left Audio Signal (+)

8

--

--

Not Used

9

BARE

814

Drain Wire

10-12

--

--

Not Used

13

GY

5231

TV Tuner Signal

14

BARE

1705

Drain Wire

15-18

--

--

Not Used

19

BK

850

Ground

20

RD/WH

3240

Supply Voltage

21-54

--

--

Not Used

TV Tuner Assembly - C2


Object Number: 2016123  Size: CH

Connector Part Information

  • Description: (BK)

TV Tuner Assembly - C2

Pin

Wire

Circuit

Function

1

BK

COAX

TV Antenna 2

2

BK

COAX

TV Antenna 1

TV Tuner Assembly - C3


Object Number: 2016124  Size: CH

Connector Part Information

  • Description: (BK)

TV Tuner Assembly - C3

Pin

Wire

Circuit

Function

1

BK

COAX

TV Antenna 4

2

BK

COAX

TV Antenna 3

Rear Seat Entertainment Control Module - C1


Object Number: 2016127  Size: CH

Connector Part Information

  • Description: 16 F (GY)

Rear Seat Entertainment Control Module - C1

Pin

Wire

Circuit

Function

1-4

--

--

Not Used

5

RD/WH

3240

Power Supply

6

BK/WH

851

Ground

7

YE

6817

Blacklighting Adjustment

8-14

--

--

Not Used

15

D-GN

5060

Low Speed GMLAN Serial Data

16

--

--

Not Used

Rear Seat Entertainment Control Module - C2


Object Number: 2016128  Size: CH

Connector Part Information

  • Description: 16 F (GN)

Rear Seat Entertainment Control Module - C2

Pin

Wire

Circuit

Function

1

YE

599

LR Low Level Audio Signal Input (+)

2

BN

1999

LR Low Level Audio Signal Input (-)

3

GY

546

RR Low Level Audio Signal Input (+)

4

D-GN

1946

RR Low Level Audio Signal Input (-)

5

BARE

2099

Drain Wire

6-8

--

--

Not Used

9

D-BU/WH

5312

LR Low Level Audio Signal Output (+)

10

D-BU/BK

5314

LR Low Level Audio Signal Output (-)

11

D-BU/WH

5313

RR Low Level Audio Signal Output (+)

12

GY/BK

5830

RR Low Level Audio Signal Output (-)

13

BARE

2099

Drain Wire

14-16

--

--

Not Used

Left Seat Video Display Module


Object Number: 2016129  Size: CH

Left Seat Video Display Module

Pin

Wire

Circuit

Function

1

D-GN

7396

Video Signal Input

2

WH

7394

Video Signal Reference Voltage

3

PK

5165

Enable Signal

4

BK/WH

551

Ground

5

BK/WH

551

Ground

6

RD/WH

3240

Supply Voltage

7

PK/BK

5844

Brightness Adjustment

8

D-GN/WH

7395

Mode Setting

Right Seat Video Display Module


Object Number: 2016129  Size: CH

Right Seat Video Display Module

Pin

Wire

Circuit

Function

1

D-GN

6975

Video Signal Input

2

WH/BK

5335

Video Signal Reference Voltage

3

PK

5165

Enable Signal

4

BK/WH

651

Ground

5

BK/WH

651

Ground

6

RD/WH

3240

Supply Voltage

7

PK/BK

5844

Brightness Adjustment

8

D-GN/WH

5845

Mode Setting