GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 GMC C Sierra - 2WD 🢒 Accessories 🢒 Entertainment 🢒 Entertainment Connector End Views
Table 1: Audio Amplifier C1 (UQ7 w/o Y91)
Table 2: Audio Amplifier C1 (UQ7 w/Y91)
Table 3: Audio Amplifier C2 (UQ7 w/o Y91)
Table 4: Audio Amplifier C2 (UQ7 w/Y91)
Table 5: Digital Radio Receiver (U2K)
Table 6: Noise Compensation Microphone (UQ7 w/Y91)
Table 7: Radio C1
Table 8: Radio C2
Table 9: Rear Seat Audio (RSA) Controller (UK6)
Table 10: Rear Seat Entertainment (RSE) Assembly (U42)
Table 11: Remote Playback Device - CD Player (U1S)
Table 12: Speaker - LF Door (UQ5)
Table 13: Speaker - LF Door (UQ3/UQ7)
Table 14: Speaker - RF Door (UQ5)
Table 15: Speaker - RF Door (UQ3/UQ7)
Table 16: Speaker - LR - Except Crew Cab
Table 17: Speaker - LR Door - Crew Cab
Table 18: Speaker - RR - Except Crew Cab
Table 19: Speaker - RR Door - Crew Cab
Table 20: Speaker - LF Tweeter (UQ3)
Table 21: Speaker - LF Tweeter (UQ7)
Table 22: Speaker - RF Tweeter (UQ3)
Table 23: Speaker - RF Tweeter (UQ7)
Table 24: Speaker - Subwoofer (UQ7)
Table 25: Splice Pack SP250 (UQ7 w/U2K/U42 or U2K/U1S or U42/U1S or U2K/U42/U1S)
Table 26: Steering Wheel Control Switch Assembly - Upper Left (UK3)
Table 27: Steering Wheel Control Switch Assembly - Upper Right (UK3)
Table 28: Steering Wheel Control Switch Assembly - Lower Left (UK3)
Table 29: Steering Wheel Control Switch Assembly - Lower Right (UK3)

Audio Amplifier C1 (UQ7 w/o Y91)


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

A1-A4

--

--

Not Used

A5

BN

199

Left Rear Speaker Output (+)

A6

YEL

116

Left Rear Speaker Output (-)

A7

D-BU

46

Right Rear Speaker Output (+)

A8

L-BU

115

Right Rear Speaker Output (-)

A9

TN

201

Left Front Speaker Output (+)

A10

GY

118

Left Front Speaker Output (-)

A11

L-GN

200

Right Front Speaker Output (+)

A12

D-GN

117

Right Front Speaker Output (-)

B1

GY/BK

2334

Radio Mute

B2

PU

493

Rear Seat Audio Enable Signal

B3

BK

1946

Right Rear Low Level Audio Signal (-)

B4

D-BU

546

Right Rear Low Level Audio Signal (+)

B5

D-GN/WH

1547

Left Rear Low Level Audio Signal (-)

B6

BN

599

Left Rear Low Level Audio Signal (+)

B7

OG/BK

1546

Right Front Low Level Audio Signal (-)

B8

L-GN

512

Right Front Low Level Audio Signal (+)

B9

D-GN

1947

Left Front Low Level Audio Signal (-)

B10

TN

511

Left Front Low Level Audio Signal (+)

B11

PK

314

Radio On Signal

B12

BARE

2099

Drain Wire

Audio Amplifier C1 (UQ7 w/Y91)


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

YE

116

Left Rear Speaker Output (+)

A4

BN

199

Left Rear Speaker Output (-)

A5

TN

201

Left Front Speaker Output (+)

A6

GY

118

Left Front Speaker Output (-)

A7

L-BU

115

Right Rear Speaker Output (+)

A8

D-BU

46

Right Rear Speaker Output (-)

A9

L-GN

200

Right Front Speaker Output (+)

A10

D-GN

117

Right Front Speaker Output (-)

A11-A12

--

--

Not Used

B1

D-GN

1488

Noise Compensation Microphone Supply Voltage

B2

L-GN/BK

1354

Drain Wire

B3

OG/BK

1546

Right Front Low Level Audio Signal (-)

B4

D-GN

1947

Left Front Low Level Audio Signal (-)

B5

TN

511

Left Front Low Level Audio Signal (+)

B6

L-GN

512

Right Front Low Level Audio Signal (+)

B7

BARE

2011

Drain Wire

B8-B9

--

--

Not Used

B10

D-BU

2272

Amplifier Class 2 Serial Data

B11-B12

--

--

Not Used

Audio Amplifier C2 (UQ7 w/o Y91)


Object Number: 73158 Size: CH

Connector Part Information
    • 12110626
    • 8-Way F Metri-pack 280 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

BK/WH

1851

Ground

B

D-BU/WH

346

Left Suborder Speaker Output (+)

C

D-GN

1795

Right Subwoofer Speaker Output (+)

D

--

--

Not Used

E

BARE

2011

Drain Wire

F

L-BU/BK

315

Right Subwoofer Speaker Output (-)

G

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

H

OG

3740

Battery Positive Voltage

Audio Amplifier C2 (UQ7 w/Y91)


Object Number: 73158 Size: CH

Connector Part Information
    • 12110626
    • 8-Way F Metri-Pack 280 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

BK/WH

1851

Ground

B

D-GN

1795

Right Subwoofer Speaker Output (+)

C

--

--

Not Used

D

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

E

D-BU/WH

346

Left Subwoofer Speaker Output (+)

F

--

--

Not Used

G

L-BU/BK

315

Right Subwoofer Speaker Output (-)

H

OG

3740

Battery Positive Voltage

Digital Radio Receiver (U2K)


Object Number: 850856 Size: CH

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

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN/WH

367

Remote Playback Device Left Audio Signal

3

D-GN/WH

368

Remote Playback Device Right Audio Signal

4-6

--

--

Not Used

7

L-GN

2271

ADG Class 2 Serial Data

8

--

--

Not Used

9

BK/WH

1851

Ground

10

BK/WH

372

Remote Playback Device Common Audio Signal

11-15

--

--

Not Used

16

OG

340

Battery Positive Voltage

Noise Compensation Microphone (UQ7 w/Y91)


Object Number: 35441 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1354

Drain Wire

B

D-GN

1488

Noise Reduction Microphone Supply Voltage

Radio C1


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24-Way F Micro-Pack 100 Series (GN)

Pin

Wire Color

Circuit No.

Function

A1

OG

1044

Radio Class 2 Serial Data

A2

--

--

Not Used

A3

PU

493

Rear Seat Audio Enable Signal (UQ7)

A4-A7

--

--

Not Used

A8

TN

201

Left Front Speaker Output (+) (UQ3/UQ5)

TN

511

Left Front Low Level Audio Signal (+) (UQ7)

A9

GY

118

Left Front Speaker Output (-) (UQ3/UQ5)

D-GN

1947

Left Front Low Level Audio Signal (-) (UQ7)

A10

L-BU

115

Right Rear Speaker Output (-) (UQ3/UQ5)

BK

1946

Right Rear Low Level Audio Signal (-) (UQ7)

A11

D-BU

46

Right Rear Speaker Output (+) (UQ3/UQ5)

D-BU

546

Right Rear Low Level Audio Signal (+) (UQ7)

A12

BK/WH

1851

Ground

B1

OG

340

Battery Positive Voltage

B2

--

--

Not Used

B3

PK

314

Radio On Signal (UQ7 w/o Y91)

B4-B5

--

--

Not Used

B6

GY/BK

2334

Radio Mute (UQ7 w/o Y91)

B7

--

--

Not Used

B8

BN

199

Left Rear Speaker Output (+) (UQ3/UQ5)

BN

599

Left Rear Low Level Audio Signal (+) (UQ7)

B9

YEL

116

Left Rear Speaker Output (-) (UQ3/UQ5)

D-GN/WH

1547

Left Rear Low Level Audio Signal (-) (UQ7)

B10

D-GN

200

Right Front Speaker Output (+) (UQ3/UQ5)

OG/BK

1546

Right Front Low Level Audio Signal (-) (UQ7)

B11

L-GN

117

Right Front Speaker Output (-) (UQ3/UQ5)

L-GN

512

Right Front Low Level Audio Signal (+) (UQ7)

B12

--

--

Not Used

Radio C2


Object Number: 73151 Size: CH

Connector Part Information
    • 12064799
    • 12-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BARE

1573

Drain Wire (U2K/U42/U1S)

D-G

--

--

Not Used

H

D-GN/WH

368

Remote Playback Device Right Audio Signal (U2K/U42/U1S)

J

BN/WH

367

Remote Playback Device Left Audio Signal (U2K/U42/U1S)

K

BK/WH

372

Remote Playback Device Common Audio Signal (U2K/U42/U1S)

L

OG/BK

2061

Cellular Telephone Voice Low Reference (UE1)

M

PK/BK

2062

Cellular Telephone Voice Signal (UE1)

Rear Seat Audio (RSA) Controller (UK6)


Object Number: 130690 Size: CH

Connector Part Information
    • 12110206
    • 24-Way F Micro-Pack 100 Series (L-BU)

Pin

Wire Color

Circuit No.

Function

A1

L-BU

2288

RSA Class 2 Serial Data

A2

OG

340

Battery Positive Voltage

A3

--

--

Not Used

A4

BK/WH

1851

Ground

A5

BARE

2099

Drain Wire (Except Y91)

A6

D-GN/WH

1547

Left Rear Low Level Audio Signal (-)

A7

BK

1946

Right Rear Low Level Audio Signal (-)

A8

D-GN/WH

1547

Left Rear Low Level Audio Signal (-) (Except Y91)

A9

BK

1946

Right Rear Low Level Audio Signal (-) (Except Y91)

A10-A12

--

--

Not Used

B1-B4

--

--

Not Used

B5

BARE

2099

Drain Wire (Except Y91)

B6

BN

599

Left Rear Low Level Audio Signal (+)

B7

D-BU

546

Right Rear Low Level Audio Signal (+)

B8

BN

599

Left Rear Low Level Audio Signal (+) (Except Y91)

B9

D-BU

546

Right Rear Low Level Audio Signal (+) (Except Y91)

B10-B12

--

--

Not Used

Rear Seat Entertainment (RSE) Assembly (U42)


Object Number: 850857 Size: CH

Connector Part Information
    • 15341086
    • 12-Way F Multi-Lock Series (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

L-GN/BK

1098

VCM Class 2 Serial Data

3-4

--

--

Not Used

5

D-GN/WH

368

Remote Playback Device Right Audio Signal

6

BN/WH

367

Remote Playback Device Left Audio Signal

7

BK/WH

1851

Ground

8

--

--

Not Used

9

OG

3240

Battery Positive Voltage

10-11

--

--

Not Used

12

BK/WH

372

Remote Playback Device Common Audio Signal

Remote Playback Device - CD Player (U1S)


Object Number: 62467 Size: CH

Connector Part Information
    • 12064980
    • 9-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

7

--

--

Not Used

8

BN/WH

230

Instrument Panel Lamps Dimming Control

9

--

--

Not Used

10

D-GN/WH

368

Remote Playback Device Right Audio Signal

11

BN/WH

367

Remote Playback Device Left Audio Signal

12

BK/WH

372

Remote Playback Device Common Audio Signal

13

BK/WH

1851

Ground

14

TN

5072

Remote Playback Device Class 2 Serial Data

15

OG

3240

Battery Positive Voltage

Speaker - LF Door (UQ5)


Object Number: 365973 Size: CH

Connector Part Information
    • 12186847
    • 2-Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - LF Door (UQ3/UQ7)


Object Number: 280768 Size: CH

Connector Part Information
    • 15433787
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - RF Door (UQ5)


Object Number: 365973 Size: CH

Connector Part Information
    • 12186847
    • 2-Way F Metri-Pack 150 Series (NA)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - RF Door (UQ3/UQ7)


Object Number: 280768 Size: CH

Connector Part Information
    • 15433787
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - LR - Except Crew Cab


Object Number: 280768 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

Speaker - LR Door - Crew Cab


Object Number: 280768 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

Speaker - RR - Except Crew Cab


Object Number: 280768 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

Speaker - RR Door - Crew Cab


Object Number: 280768 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

Speaker - LF Tweeter (UQ3)


Object Number: 280768 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - LF Tweeter (UQ7)


Object Number: 795623 Size: CH

Connector Part Information
    • 12110131
    • 2-Way F Metri-Pack 150 Series (NA)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

TN

201

Left Front Speaker Output (+)

Speaker - RF Tweeter (UQ3)


Object Number: 280768 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - RF Tweeter (UQ7)


Object Number: 795623 Size: CH

Connector Part Information
    • 12110131
    • 2-Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

L-GN

200

Right Front Speaker Output (+)

Speaker - Subwoofer (UQ7)


Object Number: 130637 Size: CH

Connector Part Information
    • 12064760
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

B

D-BU/WH

346

Left Subwoofer Speaker Output (+)

C

D-GN

1795

Right Subwoofer Speaker Output (+)

D

L-BU/BK

315

Right Subwoofer Speaker Output (-)

Splice Pack SP250 (UQ7 w/U2K/U42 or U2K/U1S or U42/U1S or U2K/U42/U1S)


Object Number: 684861 Size: CH

Connector Part Information
    • 12176473
    • 12-Way F Metri-Pack 280 Series Splice Saver(BK)

Pin

Wire Color

Circuit No.

Function

A

BN/WH

367

Remote Playback Device Left Audio Signal (U1S)

B

BN/WH

367

Remote Playback Device Left Audio Signal (U2K or U42)

BN/WH

367

Remote Playback Device Left Audio Signal (U2K/U42 w/Y91)

C

BN/WH

367

Remote Playback Device Left Audio Signal

D

BK/WH

372

Remote Playback Device Common Audio Signal (U1S)

E

BK/WH

372

Remote Playback Device Common Audio Signal (U2K or U42)

BK/WH

372

Remote Playback Device Common Audio Signal (U2K/U42 w/Y91)

F

BK/WH

372

Remote Playback Device Common Audio Signal

G

D-GN/WH

368

Remote Playback Device Right Audio Signal (U1S)

H

D-GN/WH

368

Remote Playback Device Right Audio Signal (U2K or U42)

D-GN/WH

368

Remote Playback Device Right Audio Signal (U2K/U42 w/Y91)

J

D-GN/WH

368

Remote Playback Device Right Audio Signal

K

BARE

1573

Drain Wire (U1S)

L

BARE

1573

Drain Wire (U2K or U42)

BARE

1573

Drain Wire (U2K/U42 w/Y91)

M

BARE

1573

Drain Wire

Steering Wheel Control Switch Assembly - Upper Left (UK3)


Object Number: 605511 Size: CH

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

Pin

Wire Color

Circuit No.

Function

1

L-GN

2283

Remote Radio Control Signal

2

BN

230

Instrument Panel Lamps Dimming Control

3

BK

2250

Ground

4

--

--

Not Used

5

L-GN

1011

Remote Radio Control Signal

Steering Wheel Control Switch Assembly - Upper Right (UK3)


Object Number: 605507 Size: CH

Connector Part Information
    • 50-57-9406
    • 6-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

2283

12-Volt Reference

2

L-GN

1011

Remote Radio Control Signal

3

BN

230

Instrument Panel Lamps Dimming Control

4

--

--

Not Used

5

BK

2250

Ground

6

L-GN

1101

Remote Radio Control Signal

Steering Wheel Control Switch Assembly - Lower Left (UK3)


Object Number: 605502 Size: CH

Connector Part Information
    • 50-57-9404
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

230

Instrument Panel Lamps Dimming Control

2

YE

1327

Fuel Signal

3

D-BU

894

Trip Signal

4

BK

2250

Ground

Steering Wheel Control Switch Assembly - Lower Right (UK3)


Object Number: 605511 Size: CH

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

Pin

Wire Color

Circuit No.

Function

1

BN

230

Instrument Panel Lamps Dimming Control

2

D-GN

1358

Personalization Signal

3

OG

1816

Select Signal

4

BK

2250

Ground

5

--

--

Not Used