GM Service Manual Online
For 1990-2009 cars only
Table 1: Amplifier Connector C1
Table 2: Amplifier Connector C2
Table 3: Door Speaker, LH
Table 4: Door Speaker, RH
Table 5: Door Speaker, LH Rear (4-Door Utility)
Table 6: Door Speaker, RH Rear (4-Door Utility)
Table 7: IP Speaker, LH (Base)
Table 8: IP Speaker, LH (Uplevel)
Table 9: IP Speaker, RH (Base)
Table 10: IP Speaker, RH (Uplevel)
Table 11: Radio (All Except Bravada) Connector C1
Table 12: Radio (All Except Bravada) Connector C2
Table 13: Radio (All Except Bravada) Connector C3 (w/ Remote Audio Player)
Table 14: Radio w/ ATC CD (Bravada)
Table 15: Rear Seat Audio Control (Envoy Only)
Table 16: Remote Audio Player
Table 17: Speaker, LH Rear (2-Door Utility)
Table 18: Speaker, RH Rear (2-Door Utility)

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

Power Antenna Relay Feed - Coil

A2

BRN/WHT

367

Remote Radio Signal - Left Audio (Envoy Only)

A3

BLK/WHT

372

Remote Radio Signal - Left Audio (Envoy Only)

A4

DK GRN/WHT

368

Remote Radio Signal - Right Audio (Envoy Only)

A5

YEL

116

Speaker Return - Left Rear

A6

BRN

199

Speaker Feed - Left Rear

A7

PPL

1952

Power Door Relay Feed - Lock Coil 2

A8

LT GRN

1852

Speaker Feed - Right Front - Tweeter

A9

DK BLU

46

Ignition Switch Output - Accessory 6

A10

LT BLU

115

Speaker Return - Right Rear

A11

YEL

1956

Speaker Return - Left Front - Tweeter

A12

BLK

1856

--

B1

BARE

2011

Drain Wire Return - Left Front Audio

B2

BARE

2012

Drain Wire Return - Left Front Audio

B3

BARE

514

Drain Wire Return - (Envoy Only)

B4

PNK

314

Radio Signal On - (Envoy Only)

B5

TAN

511

Audio Signal - Left Front - Low Level

B6

LT GRN

512

Audio Signal - Right Front - Low Level

B7

BRN

599

Audio Signal - Left Rear - Low Level

B8

DK BLU

546

Audio Signal - Right Rear - Low Level

B9

ORN/BLK

1546

Audio Return - Front - Low Level

B10

DK GRN/WHT

1547

Audio Return - Rear - Low Level

B11-B12

--

--

Not Used

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

Speaker Feed - Left Front

D

LT GRN

200

Speaker Feed - Right Front

E

DK GRN

117

Speaker Return - Right Front

F

GRY

118

Speaker Return - Left Front

G

--

--

Not Used

H

ORN

1340

Fuse Output Battery

Door Speaker, LH


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

Speaker Return - Left Rear

B

BRN

199

Speaker Feed - Left Rear

Door Speaker, RH


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

Speaker Return - Right Rear

B

DK BLU

46

Speaker Feed - Right Rear

Door Speaker, LH Rear (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

Speaker Return - Left Rear

B

BRN

199

Speaker Feed - Left Rear

Door Speaker, RH Rear (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

Speaker Return - Right Rear

B

BRN

199

Speaker Feed - Right Rear

IP Speaker, LH (Base)


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

Speaker Return - Left Front

B

TAN

201

Speaker Feed - Left Front

IP Speaker, LH (Uplevel)


Object Number: 258301  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL

118

Speaker Return - Left Front

B

BLK

201

Speaker Feed - Left Front

IP Speaker, RH (Base)


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

Speaker Return - Right Front

B

LT GRN

200

Speaker Feed - Right Front

IP Speaker, RH (Uplevel)


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

Speaker Return - Right Front

B

LT GRN

200

Speaker Feed - Right Front

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

Audio Signal - Left Front (w/o Amp)

1

TAN

511

Audio Signal - Left Front (w/ Amp)

2

TAN

201

Audio Signal Left - Front (w/o Amp)

2

ORN/BLK

1546

Audio Return - Front (w/ Amp)

3

DK GRN

117

Audio Signal - Right Front (w/o Amp)

3

LT GRN

512

Audio Signal - Right Front (w/ Amp)

4

LT GRN

200

Audio Signal Right - Front (w/o Amp)

4

BARE

1573

Drain Wire Return - Front Audio (w/ Amp)

5

BLK

1050

Ground

6

PPL/WHT

1382

LED Dimming Signal

7

GRY

1220

Fuse Output - Instrument Panel Lamps

8

--

--

Not Used (w/o Amp)

8

DK GRN

145

Switched Power Output - Amp Feed (w/ Amp)

9

DK GRN

1301

Fuse Output - Retained Accessory Power

10

ORN

340

Fuse Output - Battery - Type III Fuse

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 Signal - On (Envoy Only)

13

LT GRN

1011

Remote Radio Control Signal (Envoy Only)

14

--

--

Not Used (Pick-up)

14

DK BLU

1796

Radio Control Signal - Steering Column (Utility)

15

DK GRN

835

Diagnostic Signal - Entertainment and Comfort (Envoy Only)

16

DK GRN

389

Vehicle Speed Signal - 4000 Pulses Per Mile

17

LT BLU

115

Speaker Return - Right Rear (w/o Amp)

17

DK BLU

546

Audio Signal - Right Rear (w/ Amp)

18

DK BLU

46

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

18

DK GRN/WHT

1547

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

19

YEL

116

Speaker Return - Left Rear (w/o Amp)

19

BRN

599

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

20

BRN

199

Audio Signal - Left Rear (w/o Amp)

20

BARE

1574

Drain Wire Return - Rear Audio (w/ Amp)

Radio (All Except Bravada) Connector C3 (w/ Remote Audio Player)


Object Number: 62467  Size: CH

Connector Part Information

    • 12064980
    • 9-Way F Micro-Pack 100 Series (BLK) 7

Pin

Wire Color

Circuit No.

Function

7

LT BLU

1405

Tape Player Signal - Remote - Audio Communication

8

GRY

1220

Dimming Signal (except Envoy)

9

BARE

701

Drain Wire Return

10

DK GRN/WHT

368

Remote Radio Signal - Right Audio

11

BRN/WHT

367

Remote Radio Signal - Left Audio

12

BLK/WHT

372

Remote Radio Return - Audio

13

BLK

1050

Ground

14

DK GRN

835

Diagnostic Signal - Entertainment and Comfort

15

ORN

340

Fuse Output - Battery

Radio w/ ATC CD (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-E11

--

--

Not Used

E12

BRN

199

Speaker Feed - Left Rear

E13

YEL

116

Speaker Return - Left Rear

E14

DK GRN

117

Speaker Feed - Right Front

E15

LT GRN

200

Speaker Feed - Right Front

E16

BLK

1050

Ground

F1

ORN

340

Fuse Output - Battery - Type II Fuse

F2

DK GRN

1301

Fuse Output - Retained Accessory

F4

GRY

1220

Fuse Output - Instrument Panel Lamps - Type III Fuse

F5

PPL/WHT

1382

Led Dimming Signal

F6-F11

--

--

Not Used

F12

TAN

201

Speaker Feed - Left Front

F13

GRY

118

Speaker Return - Left Front

F14

LT BLU

115

Speaker Return - Right Rear

F15

DK BLU

46

Speaker Feed - Right Rear

F16

--

--

Not Used

Rear Seat Audio Control (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

Fuse Output - Retained Accessory Power

B

BRN

2409

Fuse Output - Retained Accessory Power

C

BLK

1050

Ground

D

PNK

314

Radio Signal - On

E-H

--

--

Not Used

J

DK GRN/WHT

368

Remote Radio Signal - Right Audio

K

BLK/WHT

372

Remote Radio Return - Audio

L

BRN/WHT

367

Remote Radio Signal - Left Audio

M

LT GRN

1011

Remote Radio Control Signal

Remote Audio 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

Tape Player Signal - Remote - Audio Communication

8

GRY

1220

Fuse Output - Instrument Panel Lamps - Type III

8

--

--

Not Used (Envoy Only)

9

BARE

514

Drain Wire Return

10

DK GRN/WHT

368

Remote Radio Signal - Right Audio

11

BRN/WHT

367

Remote Radio Signal - Left Audio

12

BLK/WHT

372

Remote Radio Return - Audio

13

BLK

1050

Ground

14

DK GRN

835

Diag Signal - Entertainment and Comfort

15

ORN

340

Fuse Output - Battery - Type III Fuse

Speaker, LH Rear (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

Speaker Return - Left Rear

B

BRN

199

Speaker Feed - Left Rear

Speaker, RH Rear (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

Speaker Return - Right Rear

B

DK BLU

46

Speaker Feed - Right Rear