GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Entertainment Connector End Views
Table 1: Audio Amplifier C1 (Luxury)
Table 2: Audio Amplifier C2 (Luxury)
Table 3: Audio Control Switch, RR (Luxury)
Table 4: C108 (Inline to Speakers (Z56 Police Package) )
Table 5: CD Player (Indash)
Table 6: CD Changer (Luxury)
Table 7: Power Amplifier
Table 8: Radio, Connector C1 (Except Luxury)
Table 9: Radio, Connector C2 (Except Luxury)
Table 10: Radio C3 Connector (Except Luxury)
Table 11: Radio, Connector C1 (Luxury)
Table 12: Radio, Connector C2 (Luxury)
Table 13: Radio C3 Connector (Luxury)
Table 14: Subwoofer Speaker Connector (Luxury)
Table 15: Door Speaker, RR
Table 16: Door Speaker, LF, Tweeter
Table 17: Door Speaker, LF, Midrange
Table 18: Door Speaker, RF, Tweeter
Table 19: Door Speaker, RF, Midrange
Table 20: Door Speaker, LR, Midrange
Table 21: Roof Speaker, LR
Table 22: Roof Speaker, RR

Audio Amplifier C1 (Luxury)


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 8F M/P 100 Series (GRA)

Pin

Wire Color

Circuit No.

Function

A1

DK GRN

145

Ignition Feed - + 12 Volt

A2

BRN/WHT

367

Rear Seat - Left Audio Output

A3

BLK/WHT

372

Rear Seat Audio - Common

A4

DK GRN/WHT

368

Rear Seat Audio - Right Output

A5

YEL

1949

Right Headliner Feed

A6

WHT

1854

Tight Headliner Return

A7

DK GRN

117

Speaker Return - RF

A8

LT GRN

200

Speaker Feed - Door, RF

A9

TAN

1855

Left Headliner Return

A10

RED

1955

Not Used

A11

GRA

118

Speaker Return - Door, LF

A12

TAN

201

Speaker Feed - RF

B1

BARE

514

Drain Wire Return

B2

--

--

Not Used

B3

BARE

514

Drain Wire Return

B4

PNK

314

Rear Seat Audio Signal - ON

B5

TAN

511

Audio Signal - Left Front - Low Level

B6

LT BLU

1874

Audio Signal - Right Front

B7

BRN

199

Speaker Feed - LR

B8

DK BLU

46

Speaker Feed - RR

B9

LT GRN

1948

Front Low Level Common

B10

YEL

116

Speaker Return - Left Rear

B1 - B12

--

--

Not Used

Audio Amplifier C2 (Luxury)


Object Number: 73158 Size: CH

Connector Part Information
    • 12110626
    • 8F M/P 280 FLXLK Series (GRA)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

WHT

1959

Speaker Return - Left Rear - Midrange

C

DK BLU/WHT

346

Subwoofer Speaker Feed - Left Rear - Tweeter

D

RED

1858

Speaker Feed - Left Rear - Tweeter

E

PPL

1958

Speaker Return - Left Rear - Tweeter

F

LT GRN/BLK

1794

Subwoofer Speaker Return - Left or Rear

G

TAN

1859

Speaker Feed - Left Rear - Midrange

H

ORN

640

Fuse Output - Battery - Type III Fuse

Audio Control Switch, RR (Luxury)


Object Number: 73151 Size: CH

Connector Part Information
    • 12064799
    • 12F M/P (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

43

Fuse Output - Accessory Type III Fuse

B

BRN

9

Park Lamp Feed

C

BLK

150

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

C108 (Inline to Speakers (Z56 Police Package) )


Object Number: 280747 Size: CF

Connector Part Information

    • 12146045
    • 5-Way F Metri-Pack 150 (Natural)

Connector Part Information

    • 12103974
    • 5-Way M Metri-Pack 150 (Natural)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

DK GRN

961

Speaker Return, RF

A

DK GRN

961

Speaker Return, RF

B

LT BLU

962

Speaker Return, RR

B

LT BLU

962

Speaker Return, RR

C

GRY

963

Speaker Return, LF

C

GRY

963

Speaker Return, LF

D

BRN

964

Speaker Return, LR

D

BRN

964

Speaker Return, LR

E

BLK

965

Ground

E

BLK

965

Ground

CD Player (Indash)


Object Number: 62467 Size: CH

Connector Part Information
    • 12064980
    • 9F M/P 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

7

BRN

180

Remote Compact Dis/Cassette Player Feed

8

GRA

8

Instrument Panel Lamp Feed

9

BARE

514

Drain Wire Feed

10

LT GRN

1407

Tape Player Signal - Remote - Audio Communicatiion

11

ORN/BLK

1406

Drain Wire Feed Right Audio

12

LT BLU

1405

Drain Wire Feed Left Audio

13

BLK

150

Ground

14

DK GRN

835

Diagnostic Signal - Entertainment and Comfort

15

ORN

1140

Fuse Output - Baattery - Type III Fuse

CD Changer (Luxury)


Object Number: 62467 Size: CH

Connector Part Information
    • 12064980
    • 9F M/P 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

7-8

--

--

Empty

9

BARE

514

Drain Wire Feed

10

LT GRN

1407

Tape Player Signal - Remote - Audio Communicatiion

11

ORN/BLK

1406

Drain Wire Feed Right Audio

12

LT BLU

1405

Drain Wire Feed Left Audio

13

BLK

150

Ground

14

DK GRN

835

Diagnostic Signal - Entertainment and Comfort

15

ORN

1140

Fuse Output - Baattery - Type III Fuse

Power Amplifier


Object Number: 283850 Size: CH

Connector Part Information
    • 12034325
    • Conn 15 M Metri-Pack 280 Series NAT

Pin

Wire Color

Circuit No.

Function

C1

DK BLU

46

Speaker Feed, Right Rear

C2

LT BLU

115

Speaker Return, Right Rear

C3

--

--

Not Used

C4

BRN

199

Speaker Feed, Left Rear

C5

YEL

116

Speaker Return, Left Rear

C6

TAN

1855

Speaker Feed, Right Rear Midrange

C7-C8

--

--

Not Used

C9

RED

1955

Speaker Return, Right Rear Midrange

C10-C11

--

--

Not Used

C12

TAN

1859

Speaker Feed, Left Rear Midrange

C13

ORN

360

Amplifier Feed

C14

BLK

150

Ground

C15

WHT

1959

Speaker Return, Left Rear Midrange

Radio, Connector C1 (Except Luxury)


Object Number: 62435 Size: CH

Connector Part Information
    • 12047531
    • 10 Way F Metri-Pack Series 100 (BLK)

Pin

Wire Color

Circuit No.

Function

1

GRY

118

Speaker Return, Left Front

2

TAN

201

Speaker Feed, Left Front

3

DK GRN

117

Speaker Return, Right Front

4

LT GRN

200

Speaker Feed, Right Front

5

BLK

150

Ground

6

PPL/WHT

1382

LED Dimming Signal

7

GRY

8

Instrument Panel Lamp Feed

8

PNK

314

Radio On Signal (Suburban/Utility)

9

YEL

43

Fuse Output Accessory, Type III Fuse

10

ORN

1140

Fuse Output Battery, Type III Fuse

Radio, Connector C2 (Except Luxury)


Object Number: 62477 Size: CH

Connector Part Information
    • 12065785
    • 10 Way F Metri-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

11-14

--

--

Not Used

15

DK GRN

835

Diagnostic Signal--Entertainment and Comfort

16

DK GRN/WHT

817

Vehicle Speed Signal--4000 Pulses per Mile

17

LT BLU

115

Speaker Return, Right Rear

18

DK BLU

46

Speaker Feed, Right Rear

19

YEL

116

Speaker Return, Left Rear

20

BRN

199

Speaker Feed, Left Rear

Radio C3 Connector (Except Luxury)


Object Number: 62467 Size: CH

Connector Part Information
    • 12064980
    •  9F MIC/P 100 (BLK)

Pin

Wire Color

Circuit No.

Function

7

LT BLU

180

Remote Compact Disc/Cassette Player Feed

8

GRA

8

Instrument Panel Lamp Feed

9

BARE

514

Drain Wire Return

10

LT GRN

1407

Tape Player Signal - Remote - Right Audio

11

ORN/BLK

1406

Tape Player Signal - Remote - Left Audio

12

TAN

1405

Tape Player Signal - Remote - Audio Communication

13

BLK

150

Ground

14

LT GRN

835

Diagnostic Entertainment and Comfort

15

ORN

1140

Fuse Output - Battery - Type III Fuse

Radio, Connector C1 (Luxury)


Object Number: 62435 Size: CH

Connector Part Information
    • 12047531
    • 10 Way F Metri-Pack Series 100 (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

118

Speaker Return, Left Front

2

LT GRN

201

Speaker Feed, Left Front

3

LT BLU

117

Speaker Return, Right Front

4

BARE

200

Speaker Feed, Right Front

5

BLK

150

Ground

6

PPL/WHT

1382

LED Dimming Signal

7

GRY

8

Instrument Panel Lamp Feed

8

DK GRN

314

Radio On Signal (Suburban/Utility)

9

YEL

43

Fuse Output Accessory, Type III Fuse

10

ORN

1140

Fuse Output Battery, Type III Fuse

Radio, Connector C2 (Luxury)


Object Number: 62477 Size: CH

Connector Part Information
    • 12065785
    • 10 Way F Metri-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

11

--

--

Not Used

12

PNK

314

Radio Signal-On

13

LT GRN

1011

Remote Radio Control Signal

14

--

--

Not Used

15

DK GRN

835

Diagnostic Signal--Entertainment and Comfort

16

DK GRN/WHT

817

Vehicle Speed Signal--4000 Pulses per Mile

17

DK BLU

115

Speaker Return, Right Rear

18

YEL

46

Speaker Feed, Right Rear

19

BRN

116

Speaker Return, Left Rear

Radio C3 Connector (Luxury)


Object Number: 62467 Size: CH

Connector Part Information
    • 12064980
    •  9F MIC/P 100 (BLK)

Pin

Wire Color

Circuit No.

Function

7

PNK

180

Remote Compact Disc/Cassette Player Feed

8

GRA

8

Instrument Panel Lamp Feed

9

BARE

514

Drain Wire Return

10

LT GRN WHT

1407

Tape Player Signal - Remote - Right Audio

11

BRN/WHT

1406

Tape Player Signal - Remote - Left Audio

12

BLK/WHT

1405

Tape Player Signal - Remote - Audio Communication

13

BLK

150

Ground

14

DK GRN

835

Diagnostic Entertainment and Comfort

15

ORN

1140

Fuse Output - Battery - Type III Fuse

Subwoofer Speaker Connector (Luxury)


Object Number: 153645 Size: CH

Connector Part Information
    • 12129081
    • 2F (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

1794

Subwoofer Speaker Return - Left or Rear

B

DK BLU/WHT

346

Subwoofer Speaker Feed - Left or Rear

Door Speaker, RR


Object Number: 288384 Size: CF

Connector Part Information
    • 12052832
    • 2F M/P 150 BLK

Pin

Wire Color

Circuit No.

Function

A

RED

1955

Speaker Return-Right Rear-Midrange.

B

TAN

1855

Speaker Feed-Right Rear-Midrange.

Door Speaker, LF, Tweeter


Object Number: 288384 Size: CF

Connector Part Information
    • 12052832
    • 2F M/P 150 BLK

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Speaker Return, Left Front, Tweeter.

B

TAN

201

Speaker Feed, Left Front, Tweeter.

Door Speaker, LF, Midrange


Object Number: 288384 Size: CF

Connector Part Information
    • 12052832
    • 2F M/P 150 BLK

Pin

Wire Color

Circuit No.

Function

A

GRY

118

Speaker Return, Left Front, Mid-range.

B

TAN

201

Speaker Feed, Left Front, Mid-range.

Door Speaker, RF, Tweeter


Object Number: 288384 Size: CF

Connector Part Information
    • 12052832
    • 2F M/P 150 BLK

Pin

Wire Color

Circuit No.

Function

A

DK/GRN

117

Speaker Return, Right Front, Mid-range.

B

LT/GRN

200

Speaker Feed, Right Front, Mid-range.

Door Speaker, RF, Midrange


Object Number: 288384 Size: CF

Connector Part Information
    • 12052832
    • 2F M/P 150 BLK

Pin

Wire Color

Circuit No.

Function

A

DK/GRN

117

Speaker Return, Right Front, Mid-range.

B

LT/GRN

200

Speaker Feed, Right Front, Mid-range.

Door Speaker, LR, Midrange


Object Number: 288384 Size: CF

Connector Part Information
    • 12052832
    • 2F M/P 150 BLK

Pin

Wire Color

Circuit No.

Function

A

WHT

1959

Speaker Return, Left Rear, Mid-range.

B

TAN

1859

Speaker Feed, Left Rear, Mid-range.

Roof Speaker, LR


Object Number: 35457 Size: CH

Connector Part Information
    • 12077887
    • 2F PAC/ON I BLK

Pin

Wire Color

Circuit No.

Function

A

YEL

116

Speaker Return, Left Rear.

B

BRN

199

Speaker Feed, Left Rear.

Roof Speaker, RR


Object Number: 35457 Size: CH

Connector Part Information
    • 12077887
    • 2F PAC/ON I BLK

Pin

Wire Color

Circuit No.

Function

A

LT/BLU

115

Speaker Return, Right Rear.

B

DK/BLU

46

Speaker Feed, Right Rear.