GM Service Manual Online
For 1990-2009 cars only
Table 1: Audio Amplifier Connector C1
Table 2: Audio Amplifier Connector C2
Table 3: Radio (All Except Bravada) Connector C1
Table 4: Radio (All Except Bravada) Connector C2
Table 5: Radio (All Except Bravada) Connector C3 (w/ Remote Playback Device)
Table 6: Radio (Bravada)
Table 7: Rear Seat Audio (RSA) Controller (Envoy Only)
Table 8: Remote Playback Device - CD or Cassette Player
Table 9: Speaker - LF (Pickup)
Table 10: Speaker - LF (Utility)
Table 11: Speaker - LF Door
Table 12: Speaker - LR (2-Door Utility)
Table 13: Speaker - LR Door (4-Door Utility)
Table 14: Speaker - RF (Pickup)
Table 15: Speaker - RF (Utility)
Table 16: Speaker - RF Door
Table 17: Speaker - RR (2-Door Utility)
Table 18: Speaker - RR Door (4-Door Utility)
Table 19: Steering Wheel Controls Connector C1
Table 20: Steering Wheel Controls Connector C2

Audio Amplifier Connector C1


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

DK GRN

145

Antenna Relay Coil Supply Voltage

A2

BRN/WHT

367

Remote Radio Left Audio Signal (Envoy Only)

A3

BLK/WHT

372

Remote Radio Audio Output (Envoy Only)

A4

DK GRN/WHT

368

Remote Radio Right Audio Signal (Envoy Only)

A5

YEL

116

Left Rear Speaker Output (-)

A6

BRN

199

Left Rear Speaker Output (+)

A7

PPL

1952

Right Front Tweeter Speaker Output (-)

A8

LT GRN

1852

Right Front Tweeter Speaker Output (+)

A9

DK BLU

46

Right Rear Speaker Output (+)

A10

LT BLU

115

Right Rear Speaker Output (-)

A11

YEL

1956

Left Front Tweeter Speaker Output (-)

A12

BLK

1856

Left Front Tweeter Speaker Output (+)

B1

BARE

2011

Left Front Audio Drain Wire

B2

BARE

2012

Left Front Audio Drain Wire

B3

BARE

514

Ground (Envoy Only)

B4

PNK

314

Radio On Signal (Envoy Only)

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

ORN/BLK

1546

Front Low Level Audio Signal (-)

B10

DK GRN/WHT

1547

Rear Low Level Audio Signal (-)

B11-B12

--

--

Not Used

Audio Amplifier Connector C2


Object Number: 73158  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

1050

Ground

B

--

--

Not Used

C

TAN

201

Left Front Speaker Output (+)

D

LT GRN

200

Right Front Speaker Output (+)

E

DK GRN

117

Right Front Speaker Output (-)

F

GRY

118

Left Front Speaker Output (-)

G

--

--

Not Used

H

ORN

1340

Battery Positive Voltage

Radio (All Except Bravada) 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 (-) (w/o Amp)

1

TAN

511

Left Front Low Level Audio Signal (w/ Amp)

2

TAN

201

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

2

ORN/BLK

1546

Front Low Level Audio Signal (-) (w/ Amp)

3

DK GRN

117

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

3

LT GRN

512

Right Front Low Level Audio Signal (w/ Amp)

4

LT GRN

200

Right Front Speaker Output (+) (w/o Amp)

4

BARE

1573

Front Audio Drain Wire (w/ Amp)

5

BLK

1050

Ground

6

PPL/WHT

1382

LED Dimming Signal

7

GRY

1220

Instrument Panel Lamp Fuse Supply Voltage - 2

8

--

--

Not Used (w/o Amp)

8

DK GRN

145

Antenna Relay Coil Supply Voltage (w/ Amp)

9

DK GRN

1301

RAP Fuse Supply Voltage

10

ORN

340

Battery Positive Voltage

Radio (All Except Bravada) 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

--

--

Not Used

12

PNK

314

Radio On Signal (Envoy Only)

13

LT GRN

1011

Remote Radio Control Signal (Envoy Only)

14

--

--

Not Used (Pick-up)

14

DK BLU

1796

Steering Wheel Controls Signal (Utility)

15

DK GRN

835

Entertainment and Comfort Serial Data (Envoy Only)

16

DK GRN

389

Vehicle Speed Signal

17

LT BLU

115

Speaker Return - Right Rear (w/o Amp)

17

DK BLU

546

Right Rear Speaker Output (-) (w/ Amp)

18

DK BLU

46

Right Rear Speaker Output (+) (w/o Amp)

18

DK GRN/WHT

1547

Rear Low Level Audio Signal (w/ Amp)

19

YEL

116

(w/o Amp)

19

BRN

599

Left Rear Low Level Audio Signal (w/ Amp)

20

BRN

199

Left Rear Speaker Output (+) (w/o Amp)

20

BARE

1574

Rear Audio Drain Wire (w/ Amp)

Radio (All Except Bravada) Connector C3 (w/ Remote Playback Device)


Object Number: 62467  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

7

LT BLU

1405

Remote Playback Device Audio Common Signal

8

GRY

1220

Instrument Panel Lamp Fuse Supply Voltage - 2 (Except Envoy)

9

BARE

2011

Left Front Audio Drain Wire

10

DK GRN/WHT

368

Remote Radio Right Audio Signal

11

BRN/WHT

367

Remote Radio Left Audio Signal

12

BLK/ORN

372

Remote Radio Audio Output (-) (Except Envoy)

12

BLK/WHT

372

Remote Radio Audio Output (-) (Envoy)

13

BLK

1050

Ground

14

DK GRN

835

Entertainment and Comfort Serial Data

15

ORN

340

Battery Positive Voltage

Radio (Bravada)


Object Number: 73222  Size: CH

Connector Part Information

    • 12110115
    • 32-Way F Micro-Pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

E1

DK GRN

835

Entertainment and Comfort Serial Data (w/ Remote Tape/CD Player)

E2

--

--

Not Used

E3

LT BLU

1405

Remote Playback Device Audio Common Signal (w/ Remote Tape/CD Player)

E4-E5

--

--

Not Used

E6

DK BLU

1796

Steering Wheel Controls Signal (w/ Remote Tape/CD Player)

E7-E8

--

--

Not Used

E9

BLK/WHT

372

Remote Radio Audio Output (w/ Remote Tape/CD Player)

E10

BRN/WHT

367

Remote Radio Left Audio Signal (w/ Remote Tape/CD Player)

E11

DK GRN/WHT

368

Remote Radio Right Audio Signal (w/ Remote Tape/CD Player)

E12

BRN

199

Left Rear Speaker Output (+) (w/o Amp)

E12

BRN

599

Left Rear Low Level Audio Signal (w/ Amp)

E13

YEL

116

Left Rear Speaker Output (-) (w/o Amp)

E13

BARE

1574

Rear Audio Drain Wire (w/ Amp)

E14

DK GRN

117

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

E14

DK GRN/WHT

1547

Rear Low Level Audio Signal (-) (w/ Amp)

E15

LT GRN

200

Right Front Speaker Output (+) (w/o Amp)

E15

DK BLU

546

Right Rear Low Level Audio Signal (w/ Amp)

E16

BLK

1050

Ground

F1

ORN

340

Battery Positive Voltage

F2

DK GRN

1301

RAP Fuse Supply Voltage

F4

GRY

1220

Instrument Panel Lamps Fuse Supply Voltage - 2

F5

PPL/WHT

1382

Led Dimming Signal

F6-F10

--

--

Not Used

F11

BARE

701

Drain Wire (w/ Remote Tape/CD Player)

F12

TAN

201

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

F12

TAN

511

Left Front Low Level Audio Signal (w/ Amp)

F13

GRY

118

Left Front Speaker Output (w/o Amp)

F13

BARE

1573

Front Audio Drain Wire (-)

F14

LT BLU

115

Right Rear Speaker Output (-) (w/o Amp)

F14

ORN/BLK

1546

Front Low Level Audio Signal (-)

F15

DK BLU

46

Right Rear Speaker Output (+) (w/o Amp)

F15

LT GRN

512

Right Front Low Level Audio Signal (w/ Amp)

F16

--

--

Not Used

Rear Seat Audio (RSA) Controller (Envoy Only)


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 Fuse Supply Voltage

B

BRN

2409

Interior Park Lamps Supply Voltage

C

BLK

1050

Ground

D

PNK

314

Radio On Signal

E-H

--

--

Not Used

J

DK GRN/WHT

368

Remote Radio Right Audio Signal

K

BLK/WHT

372

Remote Radio Audio Output (-)

L

BRN/WHT

367

Remote Radio Left Audio Signal

M

LT GRN

1011

Remote Radio Control Signal

Remote Playback Device - CD or Cassette 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

LT BLU

1405

Remote Playback Device Audio Common Signal

8

GRY

1220

Instrument Panel Lamp Fuse Supply Voltage - 2 (Except Envoy and Bravada)

9

BARE

514

Ground (Except Bravada)

9

BARE

701

Drain Wire (Bravada Only)

10

DK GRN/WHT

2011

Left Front Audio Drain Wire

11

BRN/WHT

367

Remote Radio Left Audio Signal

12

BLK/ORN

372

Remote Radio Audio Output (-) (Except Envoy)

12

BLK/WHT

372

Remote Radio Audio Output (-) (Envoy Only)

13

BLK

1050

Ground

14

DK GRN

835

Entertainment and Comfort Serial Data

15

ORN

340

Battery Positive Voltage

Speaker - LF (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

GRY

118

Left Front Speaker Output (-)

B

TAN

201

Left Front Speaker Output (+)

Speaker - LF (Utility)


Object Number: 258301  Size: CH

Connector Part Information

    • 12064778
    • 2-Way M Metri-Pack 150 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Left Front Speaker Output (-) (w/o UQ3)

A

GRY

1956

Left Front Tweeter Speaker Output (-) (w/ UQ3)

B

TAN

201

Left Front Speaker Output (+) (w/o UQ3)

B

TAN

1856

Left Front Tweeter Speaker Output (+) (w/ UQ3)

Speaker - LF 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 (2-Door Utility)


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 (4-Door Utility)


Object Number: 95782  Size: CH

Connector Part Information

    • 12052833
    • 2-Way M 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 - RF (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

PPL

117

Right Front Speaker Output (-)

B

LT GRN

200

Right Front Speaker Output (+)

Speaker - RF (Utility)


Object Number: 258301  Size: CH

Connector Part Information

    • 12064778
    • 2-Way M Metri-Pack 150 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

PPL

117

Right Front Speaker Output (-) (w/o UQ3)

A

PPL

1952

Right Front Tweeter Speaker Output (-) (w/ UQ3)

B

LT GRN

200

Right Front Speaker Output (+) (w/o UQ3)

B

LT GRN

1852

Right Front Tweeter Speaker Output (+) (w/ UQ3)

Speaker - RF 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

LT BLU

115

Right Rear Speaker Output (-)

B

DK BLU

46

Right Rear Speaker Output (+)

Speaker - RR (2-Door Utility)


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 (4-Door Utility)


Object Number: 95782  Size: CH

Connector Part Information

    • 12052833
    • 2-Way M 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 (+)

Steering Wheel Controls Connector C1


Object Number: 605511  Size: CH

Connector Part Information

    • 50579405
    • 5-Way Molex Connector (BLK)

Pin

Wire Color

Circuit No.

Function

1

LT GRN

1011

Remote Radio Control Signal

2

BLK

152

DIC Gauge LED Control

3

GRY

949

Steering Wheel Illumination - Volume Controls - Feed

4

WHT

--

Volume Controls - Ground

5

YEL

43

Accessory Voltage

Steering Wheel Controls Connector C2


Object Number: 605502  Size: CH

Connector Part Information

    • 50579404
    • 4-Way Molex Connector (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT

--

Seek Up/Down Preset Feed

2

LT GRN

1011

Remote Radio Control Signal

3

GRY

949

Steering Wheel Seek Up/Down Preset Illumination

4

BLK

152

DIC Gauge LED Control