GM Service Manual Online
For 1990-2009 cars only
Table 1: Radio Connector - C1
Table 2: Radio Connector - C2
Table 3: Radio Connector - C3 (Uplevel)
Table 4: Audio Amplifier Connector - C1 (Uplevel)
Table 5: Audio Amplifier Connector - C1 (Luxury)
Table 6: Audio Amplifier Connector - C2 (Uplevel)
Table 7: Audio Amplifier Connector - C2 (Luxury)
Table 8: Remote Playback Device - CD Player
Table 9: Rear Seat Audio (RSA) Controller (Uplevel)
Table 10: Rear Seat Audio (RSA) Controller (Luxury)
Table 11: Speaker - LF Door (Base)
Table 12: Speaker - LF Door (Luxury)
Table 13: Speaker - LF Door (Tweeter)
Table 14: Speaker - RF Door (Base)
Table 15: Speaker - RF Door (Tweeter)
Table 16: Speaker - RF Door (Luxury)
Table 17: Speaker - LR Door
Table 18: Speaker - LR Door (Luxury)
Table 19: Speaker - RR Door
Table 20: Speaker - RR Door (Base Crew Cab)
Table 21: Speaker -RR Door (Suburban/Utility w/Onstar)
Table 22: Speaker -RR Door (Luxury)
Table 23: Speaker - LR (Base Pickup)
Table 24: Speaker - RR (Base Pickup)
Table 25: Speaker - Left Console Tweeter (Luxury)
Table 26: Speaker - Right Console Tweeter (Luxury)
Table 27: Speaker - Left D Pillar
Table 28: Speaker - Right D Pillar
Table 29: Speaker - Left D Pillar Twiddler (Luxury)
Table 30: Speaker - Left A Pillar Tweeter (Luxury)
Table 31: Speaker - Right A Pillar Tweeter (Luxury)
Table 32: Speaker - Right D Pillar Twiddler (Luxury)
Table 33: Speaker - Subwoofer (Tahoe/Yukon)
Table 34: Speaker - Subwoofer (Suburban/Yukon XL)

Radio Connector - C1


Object Number: 62435  Size: CH

Connector Part Information

    • 12047531
    • 10-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

GRY

118

Left Front Speaker Output (-) (Base Utility)

1

DK GRN

1947

Left Front Low Level Audio Signal (-) (Uplevel w/o RSA)

1

DK GRN

1957

Audio Return - LF (Uplevel w/RSA)

1

TAN

511

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

2

TAN

201

Left Front Speaker Output (+)

2

TAN

511

Left Front Low Level Audio Signal (+)

2

LT GRN

1948

Front Low Level Audio Signal (-) (Luxury)

3

DK GRN

117

Right Front Speaker Output (-)

3

LT GRN

512

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

3

LT GRN

1948

Right Front Low Level Audio Signal (-) (Uplevel w/o RSA)

4

LT GRN

200

Right Front Speaker Output (+)

4

LT GRN

512

Right Front Low Level Audio Signal (+)

5

BLK

1850

Ground

5

BLK

2450

Ground (Luxury)

6

BRN

2409

Interior Park Lamp Supply Voltage

7

GRY

8

Instrument Panel Lamp Supply Voltage - 1

8

ORN

360

Speaker Supply Voltage

8

DK GRN

145

Amplifier Control (Luxury)

9

DK GRN

1301

RAP 1 Fuse Supply Voltage

10

ORN

340

Battery Positive Voltage

Radio Connector - C2


Object Number: 62477  Size: CH

Connector Part Information

    • 12065785
    • 10-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

11

PPL

1672

Gain Control Signal

12

BLK/WHT

372

Radio ON Signal

12

PPL

493

Rear Seat Audio Enable Signal ( Luxury)

13

DK BLU

1796

Remote Radio Control Signal

13

PPL

1672

Gain Control Signal (Luxury)

14

DK BLU

1796

Remote Radio Control Signal (Luxury)

15

DK GRN

835

Entertainment And Comfort Serial Data

16

DK GRN/WHT

817

Vehicle Speed Signal

17

LT BLU

115

Right Rear Speaker Output (-) (Base)

17

BLK

1946

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

17

DK BLU

546

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

18

DK BLU

46

Right Rear Speaker Output (+) (Base)

18

DK GRN/WHT

689

Rear Low Level Audio Signal (-) (Luxury)

19

YEL

116

Left Rear Speaker Output (-) (Base)

19

BRN

1999

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

19

BRN

599

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

20

BRN

199

Left Rear Speaker Output (+) (Base)

20

BRN

599

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

20

Bare

1573

Front Audio Drain Wire (-) (Luxury)

Radio Connector - C3 (Uplevel)


Object Number: 62467  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Fu nction

7

PNK

314

Radio On Signal

8

GRY

8

Instrument Panel Lamp Supply Voltage - 1

9

BARE

2011

Drain Wire

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 Audio Common Signal

13

BLK

1850

Ground

14

DK GRN

835

Entertainment and Comfort Serial Data

15

ORN

340

Battery Positive Voltage

Audio Amplifier Connector - C1 (Uplevel)


Object Number: 73158  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

1794

Rear Subwoofer Speaker Output (-)

B

DK BLU/WHT

346

Rear Subwoofer Speaker Output (+)

C-D

--

--

Not Used

E

ORN

1940

Battery Positive Voltage

F

BLK

1850

Ground

G

DK GRN

1795

Right D Pillar Speaker Output (+)

H

LT BLU/BLK

315

Left D Pillar Speaker Output (-)

Audio Amplifier Connector - C1 (Luxury)


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

DK GRN

145

Amplifier Control

A2

ORN/BLK

1406

Remote Playback Device Left Audio Signal

A3

LT GRN

1407

Remote Playback Device Audio Common Signal

A4

LT BLU

1405

Remote Playback Device Right Audio Signal

A5

LT BLU

1960

Front Center Speaker Output (-)

A6

YEL

1860

Front Center Speaker Output (+)

A7

DK GRN

117

Right Front Speaker Output (-)

A8

LT GRN

200

Right Front Speaker Output (+)

A9

RED

1858

Left Rear Tweeter Speaker Output (+)

A10

PPL

1958

Left Rear Tweeter Speaker Output (-)

A11

GRY

118

Left Front Speaker Output (-)

A12

TAN

201

Left Front Speaker Output (+)

B1-B2

--

--

NotUsed

B3

BARE

1574

Rear Audio Drain Wire (-)

B4

PPL

493

Radio ON Signal

B5

TAN

511

Left Front Low Level Audio Signal (+)

B6

LT GRN

512

Right Front Low Level Audio Signal (+)

B7

BRN

599

Left Rear Low Level Audio Signal (+)

B8

DK BLU

546

Right Rear Low Level Audio Signal (+)

B9

LT GRN

1948

Front Low Level Audio Signal (-)

B10

DK GRN /WHT

689

Rear Low Level Speaker Signal (-)

B11-B12

--

--

Not Used

Audio Amplifier Connector - C2 (Uplevel)


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

DK GRN

117

Right Front Speaker Output (-)

A2

LT GRN

200

Right Front Speaker Output (+)

A3

LT BLU

115

Right Rear Speaker Output (-)

A4

DK BLU

46

Right Rear Speaker Output (+)

A5

ORN

360

Amplifier Control

A6

PPL

1672

Gain Control Signal

A7-A8

--

--

Not Used

A9

LT GRN

1948

Right Front Low Level Audio Signal (-)

A10

LT GRN

512

Right Front Low Level Audio Signal (+)

A11

BLK

1946

Right Rear Low Level Audio Signal (-)

A12

DK BLU

546

Right Rear Low Level Audio Signal (+)

B1

GRY

118

Left Front Speaker Output (-)

B2

TAN

201

Left Front Speaker Output (+)

B3

YEL

116

Left Rear Speaker Output (-)

B4

BRN

199

Left Rear Speaker Output (+)

B5-B8

--

--

Not Used

B9

DK GRN

1947

Left Front Low Level Audio Signal (-)

B10

TAN

511

Left Front Low Level Audio Signal (+)

B11

BRN

1999

Left Rear Low Level Audio Signal (-)

B12

BRN

599

Left Rear Low Level Audio Signal (+)

Audio Amplifier Connector - C2 (Luxury)


Object Number: 73158  Size: CH

Connector Part Information

    • 12110626
    • 8-Way F Metri-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

1250

Ground

B

YEL

116

Left Rear Speaker Output (-)

C

DK BLU /WHT

346

Left Subwoofer Speaker Output (+)

D

DK BLU

46

Right Rear Speaker Output (+)

E

LT BLU

115

Right Rear Speaker Output (-)

F

LT GRN/BLK

1794

Left Subwoofer Speaker Output (-)

G

BRN

199

Left Rear Speaker Output (+)

H

ORN

1940

Battery Positive Voltage

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

PNK

314

Radio On Signal

8

GRY

8

Instrument Panel Lamp Supply Voltage - 1

9

BARE

514

Drain Wire

10

DK GRN/WHT

368

Remote Radio Right Audio Signal

10

BLK/WHT

372

Remote Play Back Device - Audio Common Signal (Uplevel)

10

LT BLU

1405

Remote Audio Player - Right (Luxury)

11

BRN/WHT

367

Remote Radio left Audio Signal

12

BLK/WHT

372

Remote Radio Audio Output (-)

12

LT GRN

1407

Remote Playback Device Right Audio Signal

13

BLK

1850

Ground

14

DK GRN

835

Entertainment and Comfort Serial Data

15

ORN

340

Battery Positive Voltage

Rear Seat Audio (RSA) Controller (Uplevel)


Object Number: 73152  Size: CH

Connector Part Information

    • 12110259
    • 16-Way F Micro-Pack 100 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A1

BLK

1946

Right Rear Low Level Audio Signal (-)

A2

DK BLU

546

Right Rear Low Level Audio Signal (+)

A3

BRN

1999

Left Rear Low Level Audio Signal (-)

A4

BRN

599

Left Rear Low Level Audio Signal (+)

A5

DK BLU

1796

Remote Radio Control Signal

A6 -A7

--

--

Not Used

A8

DK GRN

1301

RAP Fuse Supply Voltage

B1

BLK

1946

Right Rear Low Level Audio Signal (-)

B2

DK BLU

546

Right Rear Low Level Audio Signal (+)

B3

BRN

1999

Left Rear Low Level Audio Signal (-)

B4

BRN

599

Left Rear Low Level Audio Signal (+)

B5

BLK/WHT

372

Remote Playback Device Audio Common Signal

B6

BLK

1850

Ground

B7

--

--

Not Used

B8

BRN

2409

Interior Park Lamps Supply Voltage

Rear Seat Audio (RSA) Controller (Luxury)


Object Number: 73151  Size: CH

Connector Part Information

    • 12064799
    • 12-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1301

RAP 1 Fuse Supply Voltage

B

BRN

2409

Interior Park Lamps Supply Voltage

C

BLK

1850

Ground

D

PPL

493

Radio ON Signal

E-H

--

--

Not Used

J

LT BLU

1405

Remote Playback Device Right Audio Signal

K

LT GRN

1407

Remote Playback Device Audio Common Signal

L

ORN/BLK

1406

Remote Playback Device Left Audio Signal

M

PPL

1672

Gain Control Signal

Speaker - LF Door (Base)


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 (Luxury)


Object Number: 130724  Size: CH

Connector Part Information

    • 12064869
    • 2-Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-)

B

TAN

200

Left Front Speaker Output (+)

Speaker - LF Door (Tweeter)


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 - RF Door (Base)


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 (Tweeter)


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 Door (Luxury)


Object Number: 130724  Size: CH

Connector Part Information

    • 12064869
    • 2-Way F Metri-Pack 150 Series (BLU)

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 - LR Door (Luxury)


Object Number: 130724  Size: CH

Connector Part Information

    • 12064869
    • 2-Way F Metri-Pack 150 Series (BLU)

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

116

Left Rear Speaker Output (-)

B

BRN

199

Left Rear Speaker Output (+)

Speaker - RR Door (Base Crew Cab)


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

115

Right Rear Speaker Output (-)

B

DK BLU

46

Right Rear Speaker Output (+)

Speaker -RR Door (Suburban/Utility w/Onstar)


Object Number: 130724  Size: CH

Connector Part Information

    • 12064832
    • 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 -RR Door (Luxury)


Object Number: 130724  Size: CH

Connector Part Information

    • 12064869
    • 2-Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

YEL

116

Right Rear Speaker Output (-)

B

BRN

199

Right Rear Speaker Output (+)

Speaker - LR (Base Pickup)


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 (Base Pickup)


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

115

Right Rear Speaker Output (-)

B

DK BLU

46

Right Rear Speaker Output (+)

Speaker - Left Console Tweeter (Luxury)


Object Number: 646421  Size: CH

Connector Part Information

    • 12059253
    • 2-Way F M/P 150 (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1960

Front Center Speaker Output (-)

B

YEL

1860

Front Center Speaker Output (+)

Speaker - Right Console Tweeter (Luxury)


Object Number: 646421  Size: CH

Connector Part Information

    • 12059253
    • 2-Way F M/P 150 (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1960

Front Center Speaker Output (-)

B

YEL

1860

Front Center Speaker Output (+)

Speaker - Left D Pillar


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

917

D Pillar Speaker Common

B

DK GRN

1795

Right D Pillar Speaker Output (+)

Speaker - Right D Pillar


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

917

D Pillar Speaker Common

B

LT BLU

315

Right D Pillar Speaker Output (-)

Speaker - Left D Pillar Twiddler (Luxury)


Object Number: 646421  Size: CH

Connector Part Information

    • 12059253
    • 2-Way F M/P 150 (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

PPL

1958

Left Rear Tweeter Speaker Output (-)

B

RED

1858

Left Rear Tweeter Speaker Output (+)

Speaker - Left A Pillar Tweeter (Luxury)


Object Number: 646421  Size: CH

Connector Part Information

    • 12059253
    • 2-Way F Metri-Pack 150 Series (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-)

B

TAN

201

Left Front Speaker Output (+)

Speaker - Right A Pillar Tweeter (Luxury)


Object Number: 646421  Size: CH

Connector Part Information

    • 12059253
    • 2-Way F Metri-Pack 150 Series (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

117

Right Front Speaker Output (-)

B

LT GRN

200

Right Front Speaker Output (+)

Speaker - Right D Pillar Twiddler (Luxury)


Object Number: 646421  Size: CH

Connector Part Information

    • 12059253
    • 2-Way F M/P 150 (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

PPL

1958

Left Rear Tweeter Speaker Output (-)

B

RED

1858

Left Rear Tweeter Speaker Output (+)

Speaker - Subwoofer (Tahoe/Yukon)


Object Number: 153645  Size: CH

Connector Part Information

    • 12129081
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

1794

Left Rear Subwoofer Speaker Output (-)

B

DK BLU/WHT

346

Left Subwoofer Speaker Output (+)

Speaker - Subwoofer (Suburban/Yukon XL)


Object Number: 68737  Size: CH

Connector Part Information

    • 12129489
    • 3-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/

BLK

1794

Rear Subwoofer Speaker Output (-)

B

DK BLU/

WHT

346

Rear Subwoofer Speaker Output (+)