GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 STS 🢒 Accessories 🢒 Entertainment 🢒 Entertainment Connector End Views
Table 1: Audio Amplifier - C1 (UX8)
Table 2: Audio Amplifier - C1 (UY5)
Table 3: Audio Amplifier - C2 (UX8)
Table 4: Audio Amplifier - C2 (UY5)
Table 5: Auxiliary Audio/Video Control (UY5)
Table 6: Digital Radio Receiver (U2K)
Table 7: Noise Compensation Microphone (UY5)
Table 8: Radio - C1 (UY5)
Table 9: Radio - C2
Table 10: Radio - C3
Table 11: Radio - C4 (UY5)
Table 12: Radio Antenna Module
Table 13: Speaker - Center I/P
Table 14: Speaker - Driver Seat Left (UY5)
Table 15: Speaker - Driver Seat Right (UY5)
Table 16: Speaker - LF I/P (UX8)
Table 17: Speaker - LR (UY5)
Table 18: Speaker - LF I/P (UY5)
Table 19: Speaker - LF Door (UX8)
Table 20: Speaker - LF Door Subwoofer (UY5)
Table 21: Speaker - LR Door (UX8)
Table 22: Speaker - Passenger Seat Left (UY5)
Table 23: Speaker - Passenger Seat Right (UY5)
Table 24: Speaker - Rear Console (UY5)
Table 25: Speaker - Rear Subwoofer (UX8)
Table 26: Speaker - Rear Subwoofer (UY5)
Table 27: Speaker - RF I/P (UY5)
Table 28: Speaker - RF Door Subwoofer (UY5)
Table 29: Speaker - RF Door (UX8)
Table 30: Speaker - RF I/P (UX8)
Table 31: Speaker - RR Door (UX8)
Table 32: Speaker - RR (UY5)
Table 33: Steering Wheel Controls - Left
Table 34: Steering Wheel Controls - Right

Audio Amplifier - C1 (UX8)


Object Number: 1420770 Size: CH

Connector Part Information
    • OEM: 1326141-1
    •  32-Way F 0.64 mm (0.025 in) LAC, (GY)

Pin

Wire Color

Circuit No.

Function

1

TN

511

Left Front Low Level Audio Signal

2

D-GN/WH

512

Right Front Low Level Audio Signal

3

D-BU

658

Cellular Telephone Voice Signal

4-9

--

--

Not Used

10

D-GN

5060

Low Speed GMLAN Serial Data

11-16

--

--

Not Used

17

D-GN

1947

Left Front Low Level Audio (-)

18

L-GN

1948

Right Front Low Level Audio (-)

19

L-BU/BK

659

Cellular Telephone Voice Low Reference

20-32

--

--

Not Used

Audio Amplifier - C1 (UY5)


Object Number: 1420770 Size: CH

Connector Part Information
    • OEM: 1326141-1
    •  32-Way F 0.64 mm (0.025 in) LAC, (GY)

Pin

Wire Color

Circuit No.

Function

1

TN

511

Left Front Low Level Audio Signal

2

D-GN/WH

512

Right Front Low Level Audio Signal

3

D-BU

6760

Center Channel Low Level Audio Signal

4

WH

6765

Subwoofer Low Level Audio Signal

5

BN/WH

599

Left Rear Low Level Audio Signal

6

D-BU

546

Right Rear Low Level Audio Signal

7

D-BU

658

Cellular Telephone Voice Signal

8

PU

5837

Amplifier Audio Prompt Signal (+)

9

D-GN

1488

Noise Reduction Microphone (+)

10

D-GN

5060

Low Speed GMLAN Serial Data

11-13

--

--

Not Used

14

PU/WH

5754

Amplifier Powered Woofer Control (1)

15

PK/BK

5755

Amplifier Powered Woofer Control (1)

16

PK/BK

5755

Amplifier Powered Woofer Control (2)

17

D-GN

1947

Left Front Low Level Audio (-)

18

L-GN

1948

Right Front Low Level Audio (-)

18

L-GN

1948

Right Front Low Level Audio (-)

19

OG

6761

Center Channel Low Level Audio Signal (-)

20

--

--

Not Used

21

BN

1999

Left Rear Low Level Audio (-)

22

TN

1946

Right Rear Low Level Audio (-)

23

L-BU/BK

659

Cellular Telephone Voice Low Reference

24

GY

5836

Amplifier Audio Prompt Signal (-)

25

BARE

1489

Noise Reduction Microphone Drain Wire

26-32

--

--

Not Used

Audio Amplifier - C2 (UX8)


Object Number: 1420767 Size: CH

Connector Part Information
    • OEM: 1534580-1
    •  38-Way F MCP/MQS (BK)

Pin

Wire Color

Circuit No.

Function

1

RD

1242

Battery Positive Voltage

2

BK

850

Ground

3

--

--

Not Used

4

D-BU/WH

346

Rear Subwoofer Speaker (+)

5-6

--

--

Not Used

7

TN

1859

Left Rear Midrange Speaker (+)

8

TN

1855

Right Rear Midrange Speaker (+)

9

YE

1860

Front Center Speaker (+)

10

--

--

Not Used

11

L-GN

1852

Right Front Speaker (+)

12

PU

1952

Right Front Speaker (-)

13

TN

1856

Left Front Speaker (+)

14

YE

1956

Left Front Speaker (+)

15

--

--

Not Used

16

L-GN/BK

1794

Left/Rear Subwoofer Speaker (-)

17-18

--

--

Not Used

19

WH

1959

Left Rear Midrange Speaker (-)

20

OG

1955

Right Rear Midrange Speaker (-)

21

L-BU

1960

Front Center Speaker (-)

22-38

--

--

Not Used

Audio Amplifier - C2 (UY5)


Object Number: 1420767 Size: CH

Connector Part Information
    • OEM: 1534580-1
    •  38-Way F MCP/MQS (BK)

Pin

Wire Color

Circuit No.

Function

1

RD

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

Right Front Seat Left Speaker (+)

10

D-GN

5757

Left Front Seat Left Speaker (+)

11

TN

1855

Right Rear Midrange Speaker (+)

12

OG

1955

Right Rear Midrange Speaker (-)

13

TN

1859

Left Rear Midrange Speaker (+)

14

WH

1959

Left Rear Midrange Speaker (-)

15

OG/BK

5766

Console Center 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

Right Front Seat Left Speaker (-)

22

D-GN/WH

5767

Left Front Seat Left Speaker (-)

23

GY

5758

Left Front Seat Right Speaker (+)

24

L-GN

5760

Right Front 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

Left Front Seat Right Speaker (-)

32

L-GN/BK

5770

Right Front 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 (UY5)


Object Number: 258248 Size: CH

Connector Part Information
    • OEM: 12065398
    • 8-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

BARE

814

Drain Wire (YQ3/YQ4/YQ6/YQ7)

B

WH

2058

Right Auxiliary Audio Signal (1) (YQ4/YQ6/YQ7)

C

PU

2056

Auxiliary Video High Signal (YQ3/YQ4/YQ6/YQ7)

D

PK

2060

Auxiliary Detection Signal (YQ4/YQ6/YQ7)

E

YE

2059

Left Auxiliary Audio Signal (1) (YQ4/YQ6/YQ7)

F

BARE

814

Drain Wire (YQ4/YQ6/YQ7)

G-H

--

--

Not Used

Digital Radio Receiver (U2K)


Object Number: 850856 Size: CH

Connector Part Information
    • OEM: 15394150
    • 16-Way F Micro 64 Series (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

L-GN/WH

5337

Left TV Audio Signal

3

L-BU/WH

5338

Right TV Audio Signal

4

--

--

Not Used

5

D-GN

5060

Low Speed GMLAN Serial Data

6-8

--

--

Not Used

9

BK

1050

Ground

10

GY/BK

5339

TV Audio Low Reference

11

BARE

5345

Auxiliary Audio Screen

12-15

--

--

Not Used

16

RD/WH

2540

Battery Positive voltage

Noise Compensation Microphone (UY5)


Object Number: 35441 Size: CH

Connector Part Information
    • OEM: 12047663
    • Service: 12085481
    •  2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BARE

1489

Noise Reduction Microphone Drain Wire

B

D-GN

1488

Noise Reduction Microphone (+)

Radio - C1 (UY5)


Object Number: 1455858 Size: CH

Connector Part Information
    • OEM: 15431080
    • 10-Way F Micro-Pack 64 Series (BK)

Pin

Wire Color

Circuit No.

Function

1

YE

2059

Left Auxiliary Audio Signal (1)

2

WH

2058

Right Auxiliary Audio Signal (1)

3

YE

5385

Vehicle Identification Communication System Bus Request Signal (JAPAN,YQ7)

4

BARE

814

Drain Wire (JAPAN,YQ7)

5

GY

5383

Vehicle Identification Communication System High Signal (JAPAN,YQ7)

6

PK

2060

Auxiliary Detection Signal

7

BARE

814

Drain Wire

8

BARE

814

Drain Wire

9

PU

2056

Auxiliary Video High Signal

10

BN

5384

Vehicle Identification Communication System Low Signal (JAPAN,YQ7)

Radio - C2


Object Number: 850856 Size: CH

Connector Part Information
    • OEM: 15394150
    • Service: NS
    •  16-Way F Micro 64 Unsealed (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN/WH

5337

Left TV Audio Signal (U2K/YQ6/YQ7)

2

L-BU/WH

5338

Right TV Audio Signal (U2K/YQ6/YQ7))

3

BN/WH

599

Left Rear Low Level Audio Signal (YQ3/YQ4/YQ6/YQ7)

4

D-BU

546

Right Rear Low Level Audio Signal (YQ3/YQ4/YQ6/YQ7)

5

PK

5165

Antenna 14-Volt Switched Supply Voltage

6-8

--

--

Not Used

9

GY/BK

5339

TV Audio Low Reference (U2K/YQ6/YQ7)

10

BARE

5345

Auxiliary Audio Screen (1) (U2K/YQ6/YQ7)

11

BN

1999

Left Rear Low Level Audio (-) (YQ3/YQ4/YQ6/YQ7)

12

TN

1946

Right Rear Low Level Audio (-) (YQ3/YQ4/YQ6/YQ7)

13

BARE

2099

Left Rear Audio Drain Wire (YQ3/YQ4/YQ6/YQ7)

14-16

--

--

Not Used

Radio - C3


Object Number: 1454404 Size: CH

Connector Part Information
    • OEM: 15394149
    • 16-Way F Micro 64 Series (GY)

Pin

Wire Color

Circuit No.

Function

1

RD/WH

2240

Battery Positive Voltage

2

TN

511

Left Front Low Level Audio Signal

3

D-GN/WH

512

Right Front Low Level Audio Signal

4

GY

655

Cellular Telephone Microphone Signal

5

PK/BK

5152

Voice Recognition Audio Low Reference

6

--

--

Not Used

7

YE

6817

LED Backlight Dimming Control

8

BK/WH

851

Ground

9

RD/WH

2240

Battery Positive Voltage

10

D-GN

1947

Left Front Low Level Audio (-)

11

L-GN

1948

Right Front Low Level Audio (-)

12

BARE

2012

Right Front Audio Drain Wire

13-14

--

--

Not Used

15

D-GN

5060

Low Speed GMLAN Serial Data

16

BK/WH

851

Ground

Radio - C4 (UY5)


Object Number: 1454407 Size: CH

Connector Part Information
    • OEM: 15394151
    • 16-Way F Micro 64 Series (BN)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

D-BU

6760

Center Channel Low Level Audio Signal

4

WH

6765

Subwoofer Low Level Audio Signal

5

PU

5837

Amplifier Audio Prompt Signal (+)

6-10

--

--

Not Used

11

OG

6761

Center Channel Low Level Audio Signal (-)

12

BARE

5838

Amplifier Audio Prompt Drain Wire

13

GY

5836

Amplifier Audio Prompt Signal (-)

13

BARE

814

Drain Wire (YQ3)

14

PU

2056

Auxiliary Video High Signal (YQ3)

15

BN

818

Vehicle Speed Signal

16

--

--

Not Used

Radio Antenna Module


Object Number: 1420733 Size: CH

Connector Part Information
    • OEM: 172335-1
    • 1-Way F Mini Universal Mate-N-Lock (WH)

Pin

Wire Color

Circuit No.

Function

A

PK

5165

Antenna 14-Volt Switch Supply Voltage

Speaker - Center I/P


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1960

Front Center Speaker (-)

B

YE

1860

Front Center Speaker (+)

Speaker - Driver Seat Left (UY5)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN/WH

5767

Left Front Seat Left Speaker (-)

B

D-GN

5757

Left Front Seat Left Speaker (+)

Speaker - Driver Seat Right (UY5)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY/BK

5768

Left Front Seat Right Speaker (-)

B

GY

5758

Left Front Seat Right Speaker (+)

Speaker - LF I/P (UX8)


Object Number: 795623 Size: CH

Connector Part Information
    • OEM: 12110131
    • Service: 15306030
    •  2-Way M Metri-Pack 280 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

YE

1956

Left Front Tweeter Speaker (-)

B

TN

1856

Left Front Tweeter Speaker (+)

Speaker - LR (UY5)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

5771

Left Rear Shelf Speaker (-)

B

D-BU

5761

Left Rear Shelf Speaker (+)

Speaker - LF I/P (UY5)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1974

Left Front Speaker (-) (2)

B

L-BU

1874

Left Front Speaker (+) (2)

Speaker - LF Door (UX8)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

1956

Left Front Door Speaker (-)

B

TN

1856

Left Front Door Speaker (+)

Speaker - LF Door Subwoofer (UY5)


Object Number: 1420766 Size: CH

Connector Part Information
    • OEM: 6098-2180
    •  5-Way F 90 Type Series (BK)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

640

Battery Positive Voltage

B

BK/WH

850

Ground

C

PU/WH

5754

Amplifier Powered Woofer Control (1)

D

YE

1956

Left Front Door Speaker (-)

E

TN

1856

Left Front Door Speaker (+)

Speaker - LR Door (UX8)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

1959

Left Rear Midrange Speaker (-)

B

TN

1859

Left Rear Midrange Speaker (+)

Speaker - Passenger Seat Left (UY5)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

YE/BK

5769

Right Front Seat Left Speaker (-)

B

YE

5759

Right Front Seat Left Speaker (+)

Speaker - Passenger Seat Right (UY5)


Object Number: 82383 Size: CH

Connector Part Information
    • OEM: 12047662
    • Service: 12085535
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

5770

Right Front Seat Right Speaker (-)

B

L-GN

5760

Right Front Seat Right Speaker (+)

Speaker - Rear Console (UY5)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

5766

Console Center Speaker (-)

B

OG

5756

Center Console Speaker (+)

Speaker - Rear Subwoofer (UX8)


Object Number: 153645 Size: CH

Connector Part Information
    • OEM: 12129081
    • Service: 12129081
    •  2-Way F Metri-Pack 280 Series, Flexlock (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1794

Rear Subwoofer Speaker (-)

B

D-BU/WH

346

Rear Subwoofer Speaker (+)

Speaker - Rear Subwoofer (UY5)


Object Number: 1420766 Size: CH

Connector Part Information
    • OEM: 6098-2180
    • 5-Way F 90 Type Series (BK)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

2440

Battery Positive Voltage

B

BK/WH

1051

Ground

C

PK/BK

5755

Amplifier Powered Woofer Control (2)

D

L-GN/BK

1794

Rear Subwoofer Speaker (-)

E

D-BU/WH

346

Rear Subwoofer Speaker (+)

Speaker - RF I/P (UY5)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1975

Right Front Speaker (-) (2)

B

TN

1875

Right Front Speaker (+) (2)

Speaker - RF Door Subwoofer (UY5)


Object Number: 1420766 Size: CH

Connector Part Information
    • OEM: 6098-2180
    •  5-Way F 90 Type Series (BK)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

740

Battery Positive Voltage

B

BK/WH

850

Ground

C

PK/BK

5755

Amplifier Powered Woofer Control (1)

D

PU

1952

Right Front Door Speaker (-)

E

L-GN

1852

Right Front Door Speaker (+)

Speaker - RF Door (UX8)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

1952

Right Front Door Speaker (-)

B

L-GN

1852

Right Front Door Speaker (+)

Speaker - RF I/P (UX8)


Object Number: 795623 Size: CH

Connector Part Information
    • OEM: 12110131
    • Service: 15306030
    •  2-Way M Metri-Pack 280 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

PU

1952

Right Front Tweeter Speaker (-)

B

L-GN

1852

Right Front Tweeter Speaker (+)

Speaker - RR Door (UX8)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

1955

Right Rear Midrange Speaker (-)

B

TN

1855

Right Rear Midrange Speaker (+)

Speaker - RR (UY5)


Object Number: 280768 Size: CH

Connector Part Information
    • OEM: 12052832
    • Service: 12101825
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

5772

Right Rear Shelf Speaker (-)

B

L-BU

5762

Right Rear Shelf Speaker (+)

Steering Wheel Controls - Left


Object Number: 1333392 Size: CH

Connector Part Information
    • OEM: 50-57-9407
    •  7-Way F Molex (BK)

Pin

Wire Color

Circuit No.

Function

1

PU

1375

Remote Radio Control Head Accessory Supply Voltage

2

BK

350

Ground

3

YE

1491

Backlight Lamps Control

4

D-BU

1796

Steering Wheel Controls Signal

5

L-BU

--

Internal Wiring

6

GN

--

Internal Wiring

7

RD/BK

--

Internal Wiring

Steering Wheel Controls - Right


Object Number: 605511 Size: CH

Connector Part Information
    • OEM: 50-57-9405
    •  5-Way F Molex (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU

--

Internal Wiring

2

BK

350

Ground

3

YE

1491

Backlight Lamps Control

4

D-BU

1796

Steering Wheel Controls Signal

5

--

--

Not Used