GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 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 - w/ U2K/U2L
Table 6: Noise Compensation Microphone (UQ7 w/Y91)
Table 7: Radio Antenna Module
Table 8: Radio C1
Table 9: Radio C2
Table 10: Rear Seat Audio (RSA) Controller
Table 11: Rear Seat Entertainment (RSE) Assembly
Table 12: Remote Playback Device - CD Player
Table 13: Speaker - LF Door (UQ5)
Table 14: Speaker - LF Door (UQ3/UQ7)
Table 15: Speaker - RF Door (UQ5)
Table 16: Speaker - RF Door (UQ3/UQ7)
Table 17: Speaker - LR Door
Table 18: Speaker - RR Door
Table 19: Speaker - LF Tweeter (UQ3)
Table 20: Speaker - LF Tweeter (UQ7)
Table 21: Speaker - RF Tweeter (UQ3)
Table 22: Speaker - RF Tweeter (UQ7)
Table 23: Speaker - Left D-Pillar (UQ7 w/o Y91)
Table 24: Speaker - Left D-Pillar (w/ Y91)
Table 25: Speaker - Right D-Pillar (UQ7 w/o Y91)
Table 26: Speaker - Right D-Pillar (w/ Y91)
Table 27: Speaker - Subwoofer
Table 28: Splice Pack SP250 (w/ UQ7)

Audio Amplifier C1 (UQ7 w/o Y91)


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

BRN

199

Left Rear Speaker Output (+)

A6

YEL

116

Left Rear Speaker Output (-)

A7

DK BLU

46

Right Rear Speaker Output (+)

A8

LT BLU

115

Right Rear Speaker Output (-)

A9

TAN

201

Left Front Speaker Output (+)

A10

GRY

118

Left Front Speaker Output (-)

A11

LT GRN

200

Right Front Speaker Output (+)

A12

DK GRN

117

Right Front Speaker Output (-)

B1

GRY/BLK

2334

Radio Mute

B2

PPL

493

Rear Seat Audio Enable Signal

B3

BLK

1946

Right Rear Low Level Audio Signal (-)

B4

DK BLU

546

Right Rear Low Level Audio Signal (+)

B5

DK GRN/

WHT

1547

Left Rear Low Level Audio Signal (-)

B6

BRN

599

Left Rear Low Level Audio Signal (+)

B7

ORN/BLK

1546

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

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 (GRY)

Pin

Wire Color

Circuit No.

Function

A1

WHT

1854

Right Rear Twiddler Speaker Output (+)

A2

YEL

1949

Right Rear Twiddler Speaker Output (-)

A3

BRN

199

Left Rear Speaker Output (+)

A4

YEL

116

Left Rear Speaker Output (-)

A5

TAN

201

Left Front Speaker Output (+)

A6

GRY

118

Left Front Speaker Output (-)

A7

DK BLU

46

Right Rear Speaker Output (+)

A8

LT BLU

115

Right Rear Speaker Output (-)

A9

LT GRN

200

Right Front Speaker Output (+)

A10

DK GRN

117

Right Front Speaker Output (-)

A11-A12

--

--

Not Used

B1

DK GRN

1488

Noise Reduction Microphone Supply Voltage

B2

LT GRN/BLK

1354

Drain Wire

B3

ORN/BLK

1546

Right Front Low Level Audio Signal (-)

B4

DK GRN

1947

Left Front Low Level Audio Signal (-)

B5

TAN

511

Left Front Low Level Audio Signal (+)

B6

LT GRN

512

Right Front Low Level Audio Signal (+)

B7

BARE

2011

Drain Wire

B8-B9

--

--

Not Used

B10

DK BLU

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 (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1851

Ground

B

DK BLU/

WHT

346

Left Subwoofer Speaker Output (+)

C

DK GRN

1795

Right Subwoofer Speaker Output (+)

D

--

--

Not Used

E

BARE

2011

Drain Wire

F

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

G

LT GRN/BLK

1794

Left Subwoofer Speaker Output (-)

H

ORN

3740

Battery Positive Voltage

Audio Amplifier C2 (UQ7 w/Y91)


Object Number: 73156 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1851

Ground

B

DK GRN

1795

Right Subwoofer Speaker Output (+)

C

RED

1858

Left Rear Twiddler Speaker Output (+)

D

LT GRN/BLK

1794

Left Subwoofer Speaker Output (-)

E

DK BLU/

WHT

346

Left Subwoofer Speaker Output (+)

F

PPL

1958

Left Rear Twiddler Speaker Output (-)

G

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

H

ORN

3740

Battery Positive Voltage

Digital Radio Receiver - w/ U2K/U2L


Object Number: 850856 Size: CH

Connector Part Information
    • 15394150
    • 16-Way F ASM Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BRN/WHT

367

Remote Playback Device Left Audio Signal

3

DK GRN/WHT

368

Remote Playback Device Right Audio Signal

4-6

--

--

Not Used

7

LT GRN

2271

ADG Class 2 Serial Data

8

--

--

Not Used

9

BLK/WHT

1851

Ground

10

BLK/WHT

372

Remote Playback Device Common Audio Signal

11-15

--

--

Not Used

16

ORN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

1354

Drain Wire

B

DK GRN

1488

Noise Reduction Microphone Supply Voltage

Radio Antenna Module


Object Number: 766913 Size: CH

Connector Part Information
    • 12052833
    • 2-Way M ASM Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

1486

FM Composite Signal

B

DK GRN

145

Antenna Enable Signal

Radio C1


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088 (Except UQ7 w/o Y91)
    • 24-Way F Micro-Pack 100 Series (GRY) (Except UQ7 w/o Y91)
    • 15428074 (UQ7 w/o Y91)
    • 24-Way F Micro-Pack 100 Series (GRN) (UQ7 w/o Y91)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1044

Radio Class 2 Serial Data

A2

--

--

Not Used

A3

PPL

493

Rear Seat Audio Enable Signal (UQ7 w/o Y91)

A4

RED

1486

FM Composite Signal (UQ7 w/ Y91)

A5-A7

--

--

Not Used

A8

TAN

201

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

A8

TAN

511

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

A9

GRY

118

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

A9

DK GRN

1947

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

A10

LT BLU

115

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

A10

BLK

1946

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

A11

DK BLU

46

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

A11

DK BLU

546

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

A12

BLK/WHT

1851

Ground

B1

ORN

340

Battery Positive Voltage

B2

--

--

Not Used

B3

PNK

314

Radio On Signal (UQ7 w/o Y91)

B3

DK GRN

145

Antenna Enable Signal (UQ7 w/ Y91)

B4

BRN/WHT

230

Instrument Panel Lamps Dimming Control (w/ Y91)

B5

BLK/WHT

1851

Ground (w/ Y91)

B6

GRY/BLK

2334

Radio Mute (UQ7 w/o Y91)

B7

--

--

Not Used

B8

BRN

199

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

B8

BRN

599

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

B9

YEL

116

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

B9

DK GRN/

WHT

1547

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

B10

DK GRN

200

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

B10

ORN/BLK

1546

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

B11

LT GRN

117

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

B11

LT GRN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BARE

1573

Drain Wire (w/ U2K/U2L)

D

--

--

Not Used

E

DK GRN/WHT

817

Vehicle Speed Signal (w/ Y91)

F-G

--

--

Not Used

H

DK GRN/

WHT

368

Remote Playback Device Right Audio Signal (w/ U2K/U2L)

J

BRN/WHT

367

Remote Playback Device Left Audio Signal (w/ U2K/U2L)

K

BLK/WHT

372

Remote Playback Device Common Audio Signal (w/ U2K/U2L)

L

ORN/BLK

2061

Cellular Telephone Voice Low Reference

M

PNK/BLK

2062

Cellular Telephone Voice Signal

Rear Seat Audio (RSA) Controller


Object Number: 130690 Size: CH

Connector Part Information
    • 12110206
    • 24-Way F Micro-Pack 100 Series (LT BLU)

Pin

Wire Color

Circuit No.

Function

A1

LT BLU

2288

RSA Class 2 Serial Data

A2

ORN

340

Battery Positive Voltage

A3

--

--

Not Used

A4

BLK/WHT

1851

Ground

A5

BARE

2099

Drain Wire (Except Y91)

A6

DK GRN/WHT

1547

Left Rear Low Level Audio Signal (-)

A7

BLK

1946

Right Rear Low Level Audio Signal (-)

A8

DK GRN/WHT

1547

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

A9

BLK

1946

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

A10-A12

--

--

Not Used

B1-B4

--

--

Not Used

B5

BARE

2099

Drain Wire

B6

BRN

599

Left Rear Low Level Audio Signal (+)

B7

DK BLU

546

Right Rear Low Level Audio Signal (+)

B8

BRN

599

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

B9

DK BLU

546

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

B10-B12

--

--

Not Used

Rear Seat Entertainment (RSE) Assembly


Object Number: 850857 Size: CH

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

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

LT GRN/BLK

1098

VCM Class 2 Serial Data

3-4

--

--

Not Used

5

DK GRN/WHT

368

Remote Playback Device Right Audio Signal

6

BRN/WHT

367

Remote Playback Device Left Audio Signal

7

BLK/WHT

1851

Ground

8

--

--

Not Used

9

ORN

3240

Battery Positive Voltage

10-11

--

--

Not Used

12

BLK/WHT

372

Remote Playback Device Common Audio Signal

Remote Playback Device - CD Player


Object Number: 62467 Size: CH

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

Pin

Wire Color

Circuit No.

Function

7

--

--

Not Used

8

BRN/WHT

230

Instrument Panel Lamps Dimming Control

9

--

--

Not Used

10

DK GRN/

WHT

368

Remote Playback Device Right Audio Signal

11

BRN/WHT

367

Remote Playback Device Left Audio Signal

12

BLK/WHT

372

Remote Playback Device Common Audio Signal

13

BLK/WHT

1851

Ground

14

TAN

5072

Remote Playback Device Class 2 Serial Data

15

ORN

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

GRY

118

Left Front Speaker Output (-)

B

TAN

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 (NAT)

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-)

B

TAN

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 (NAT)

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 (UQ3/UQ7)


Object Number: 280768 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

117

Right Front Speaker Output (-)

B

LT GRN

200

Right Front Speaker Output (+)

Speaker - LR 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

YEL

116

Left Rear Speaker Output (-)

B

BRN

199

Left Rear Speaker Output (+)

Speaker - RR 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

YEL

115

Right Rear Speaker Output (-)

B

BRN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-)

B

TAN

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 (NAT)

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-)

A

GRY

118

Left Front Speaker Output (-) (w/o Y91)

B

TAN

201

Left Front Speaker Output (+)

B

TAN

201

Left Front Speaker Output (+) (w/o Y91)

Speaker - RF Tweeter (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

DK GRN

117

Right Front Speaker Output (-)

B

LT GRN

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

DK GRN

117

Right Front Speaker Output (-)

A

DK GRN

117

Right Front Speaker Output (-) (w/o Y91)

B

LT GRN

200

Right Front Speaker Output (+)

B

LT GRN

200

Right Front Speaker Output (+) (w/Y91)

Speaker - Left D-Pillar (UQ7 w/o Y91)


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 - Left D-Pillar (w/ Y91)


Object Number: 280768 Size: CH

Connector Part Information
    • 15434358
    • 2-Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

PPL

1958

Left Rear Twiddler Speaker Output (-)

B

RED

1858

Left Rear Twiddler Speaker Output (+)

Speaker - Right D-Pillar (UQ7 w/o Y91)


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

116

Right Rear Speaker Output (-)

B

DK BLU

199

Right Rear Speaker Output (+)

Speaker - Right D-Pillar (w/ Y91)


Object Number: 280768 Size: CH

Connector Part Information
    • 15434358
    • 2-Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

YEL

1949

Right Rear Twiddler Speaker Output (-)

B

WHT

1854

Right Rear Twiddler Speaker Output (+)

Speaker - Subwoofer


Object Number: 130637 Size: CH

Connector Part Information
    • 12064760
    • 4-Way F Metri-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

DK GRN

1795

Right Subwoofer Speaker Output (+)

D

LT BLU/BLK

315

Right Subwoofer Speaker Output (-)

Splice Pack SP250 (w/ UQ7)


Object Number: 684861 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

367

Remote Playback Device Left Audio Signal

B

BRN/WHT

367

Remote Playback Device Left Audio Signal

C

BRN/WHT

367

Remote Playback Device Left Audio Signal

D

BLK/WHT

372

Remote Playback Device Common Audio Signal

E

BLK/WHT

372

Remote Playback Device Common Audio Signal

F

BLK/WHT

372

Remote Playback Device Common Audio Signal

G

DK GRN/WHT

368

Remote Playback Device Right Audio Signal

H

DK GRN/WHT

368

Remote Playback Device Right Audio Signal

J

DK GRN/WHT

368

Remote Playback Device Right Audio Signal

K

BARE

1573

Drain Wire

L

BARE

1573

Drain Wire

M

BARE

1573

Drain Wire