GM Service Manual Online
For 1990-2009 cars only
Connector 1: Audio Amplifier C1
Connector 2: Audio Amplifier C2
Connector 3: Audio Amplifier C3
Connector 4: CD Changer C1
Connector 5: CD Changer C2
Connector 6: Cellular Microphone
Connector 7: Digital Radio Receiver (U2K)
Connector 8: Noise Compensation Microphone
Connector 9: Radio C1
Connector 10: Radio C2
Connector 11: Radio C3 (Japan)
Connector 12: Radio Antenna Module - Right
Connector 13: Speaker - Center
Connector 14: Speaker - Driver Seat Left
Connector 15: Speaker - Driver Seat Right
Connector 16: Speaker - Passenger Seat Left
Connector 17: Speaker - Passenger Seat Right
Connector 18: Speaker - LF Door Subwoofer
Connector 19: Speaker - LF Midrange
Connector 20: Speaker - RF Door Subwoofer
Connector 21: Speaker - RF Midrange
Connector 22: Traffic Information Receiver (U2U)
Connector 23: Vehicle Communication Interface Module (VCIM) C1
Connector 24: Vehicle Communication Interface Module (VCIM) C2
Connector 25: Vehicle Communication Interface Module (VCIM) C3
Connector 26: Vehicle Communication Interface Module (VCIM) C4

Audio Amplifier C1


Object Number: 73158  Size: CH

Connector Part Information

  • OEM: 12110626
  • Service: 12110626
  • Description: 8-Way F Metri-Pack 280 Series, Flexlock (GY)

Terminal Part Information

  • Pins: C-F
  • Terminal/Tray: 12110844/4
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A, H
  • Terminal/Tray: 15324340/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Audio Amplifier C1

Pin

Wire Color

Circuit No.

Function

A

BK/WH

651

Ground

B

--

--

Not Used

C

D-GN

117

Right Front Subwoofer Speaker Output (-)

D

TN

201

Left Front Subwoofer Speaker Output (+)

E

GY

118

Left Front Subwoofer Speaker Output (-)

F

L-GN

200

Right Subwoofer Speaker Output (+)

G

--

--

Not Used

H

RD/BK

142

Battery Positive Voltage

Audio Amplifier C2


Object Number: 73156  Size: CH

Connector Part Information

  • OEM: 12110088
  • Service: 15306210
  • Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Audio Amplifier C2

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

BN

199

Left Seat Speaker Output (+)

A3

YE

116

Left Seat Speaker Output (-)

A4

TN

1856

Left Front Midrange Speaker Output (+)

A5

YE

1956

Left Front Midrange Speaker Output (-)

A6

L-BU

1960

Front Center Speaker Output (-)

A7

YE

1860

Front Center Speaker Output (+)

A8

PU

1952

Right Front Midrange Speaker Output (-)

A9

L-GN

1852

Right Front Midrange Speaker Output (+)

A10

L-BU

115

Right Seat Speaker Output (-)

A11

D-BU

46

Right Seat Speaker Output (+)

A12

L-BU

1405

Remote Playback Device Audio Common Signal (UE1)

B1-B7

--

--

Not Used

B8

L-GN

1948

Right Low Level Audio Signal (-)

B9

D-GN

1947

Left Low Level Audio Signal (-)

B10

TN

511

Left Low Level Audio Signal (+)

B11

D-GN/WH

512

Right Low Level Audio Signal (+)

B12

OG/BK

1406

Remote Playback Device Audio Signal (UE1)

Audio Amplifier C3


Object Number: 280764  Size: CH

Connector Part Information

  • OEM: 12064993
  • Service: 12102485
  • Description: 6-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Audio Amplifier C3

Pin

Wire Color

Circuit No.

Function

5

D-BU

2272

Amplifier Class 2 Serial Data

6

--

--

Not Used

7

BARE

1489

Drain

8

D-GN

1488

Noise Compensation Microphone Signal

9

D-GN

5743

Voice Prompt Signal (-)

10

TN

5778

Voice Prompt Signal (+)

CD Changer C1


Object Number: 1283837  Size: CH

Connector Part Information

  • OEM: 15422427
  • Service: 89046662
  • Description: 16-Way F (WH)

Terminal Part Information

  • Terminal/Tray: 7116-1261/27
  • Core/Insulation Crimp: Pins 1, 16 - K/K
  • Core/Insulation Crimp: Pins 5, 10, 11, 13, 14, 15 - J/J
  • Release Tool/Test Probe: 12152110/J-35616-16 (L-GN)

CD Changer C1

Pin

Wire Color

Circuit No.

Function

1

BK/WH

651

Ground

2-4

--

--

Not Used

5

D-GN/WH

368

Right Audio Signal (U2K)

6-9

--

--

Not Used

10

PU

1375

Steering Wheel Control Supply Voltage

11

D-BU

1796

Steering Wheel Control Signal

12

--

--

Not Used

13

TN/WH

372

Audio Common (U2K)

14

BN/WH

367

Left Audio Signal (U2K)

15

TN

5072

Class 2 Serial Data

16

RD/WH

740

Battery Positive Voltage

CD Changer C2


Object Number: 1283836  Size: CH

Connector Part Information

  • OEM: 15422428
  • Service: 89046661
  • Description: 20-Way F (WH)

Terminal Part Information

  • Terminal/Tray: 7116-1261/27
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12152110/J-35616-16 (L-GN)

CD Changer C2

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

TN

511

Left Low Level Audio Signal (+)

5

D-GN/WH

512

Right Low Level Audio Signal (+)

6

TN

511

Left Low Level Audio Signal (+)

7

D-GN/WH

512

Right Low Level Audio Signal (+)

8-13

--

--

Not Used

14

D-GN

1947

Left Low Level Audio Signal (-)

15

L-GN

1948

Right Low Level Audio Signal (-)

16

D-GN

1947

Left Low Level Audio Signal (-)

17

BARE

2011

Drain

18

L-GN

1948

Right Low Level Audio Signal (-)

19-20

--

--

Not Used

Cellular Microphone


Object Number: 1868782  Size: CH

Connector Part Information

  • OEM: 10780414
  • Service: 88988371
  • Description: 2-Way M 1.6 Series, Unsealed (BK)

Terminal Part Information

  • Terminal/Tray: 963898-3/24
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: J-38125-560/J-35616-3 (GY)

Cellular Microphone

Pin

Wire Color

Circuit No.

Function

2

BARE

1705

Drain

3

GY

655

Cellular Microphone Signal (UE1)

PK

5149

Voice Recognition Audio Signal (w/o UE1)

Digital Radio Receiver (U2K)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15394150
  • Service: 15394150
  • Description: 16-Way F Micro 64 Unsealed (BK)

Terminal Part Information

  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Digital Radio Receiver (U2K)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN/WH

367

Left Audio Signal

3

D-GN/WH

368

Right Audio Signal

4-8

--

--

Not Used

9

BK/WH

651

Ground

10

TN/WH

372

Audio Common

11

BARE

814

Drain

12-14

--

--

Not Used

15

L-BU

5781

Class 2 Serial Data

16

RD/WH

740

Battery Positive Voltage

Noise Compensation Microphone


Object Number: 35441  Size: CH

Connector Part Information

  • OEM: 12047663
  • Service: 12085481
  • Description: 2-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047581/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Noise Compensation Microphone

Pin

Wire Color

Circuit No.

Function

A

BARE

1489

Drain

B

D-GN

1488

Noise Compensation Microphone Signal

Radio C1


Object Number: 73222  Size: CH

Connector Part Information

  • OEM: 12110115
  • Service: 12110115
  • Description: 32-Way F Micro-Pack 100 Series (D-BU)

Terminal Part Information

  • Pins: E4, E6, E12-E14, F1-F3, F11-F15
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
  • Pins: E16
  • Terminal/Tray: 12146448/19
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Radio C1

Pin

Wire Color

Circuit No.

Function

E1-E3

--

--

Not Used

E4

YE

5172

FM Composite Signal

E5

--

--

Not Used

E6

OG

1044

Radio Class 2 Serial Data

E7-E11

--

--

Not Used

E12

TN

511

Left Low Level Audio Signal (+)

E13

D-GN

1947

Left Low Level Audio Signal (-)

E14

BARE

2011

Drain

E15

--

--

Not Used

E16

BK/WH

651

Ground

F1

RD/WH

740

Battery Positive Voltage

F2

D-GN/WH

817

Vehicle Speed Signal

F3

PK

5165

Antenna Enable Signal

F4-F10

--

--

Not Used

F11

BARE

5344

Drain

F12

TN

5778

Voice Prompt Signal (+)

F13

D-GN

5743

Voice Prompt Signal (-)

F14

L-GN

1948

Right Low Level Audio Signal (-)

F15

D-GN/WH

512

Right Low Level Audio Signal (+)

F16

--

--

Not Used

Radio C2


Object Number: 1283833  Size: CH

Connector Part Information

  • OEM: 15380274
  • Service: 89046839
  • Description: 5-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12180559/J-35616-6 (BN)

Radio C2

Pin

Wire Color

Circuit No.

Function

1

PK

5149

Voice Recognition Audio Signal

2

PK/BK

5152

Low Reference (US or Canada)

BARE

1705

Drain (Export)

3-5

--

--

Not Used

Radio C3 (Japan)


Object Number: 861685  Size: CH

Connector Part Information

  • OEM: 15383013
  • Service: 89046847
  • Description: 6-Way F (WH)

Terminal Part Information

  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12180559/J-35616-6 (BN)

Radio C3 (Japan)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

5385

Vehicle Identification Communication System Bus Request Signal

3

GY

5383

Vehicle Identification Communication System High Signal

4

--

--

Not Used

5

BARE

514

Drain Wire

6

BN

5384

Vehicle Identification Communication System Low Signal

Radio Antenna Module - Right


Object Number: 35451  Size: CH

Connector Part Information

  • OEM: 12059251
  • Service: 12101848
  • Description: 2-Way F Metri-Pack 150 Series (RD)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Radio Antenna Module - Right

Pin

Wire Color

Circuit No.

Function

A

WH

1487

Antenna Enable Signal

B

BN

5172

FM Composite Signal

Speaker - Center


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Center

Pin

Wire Color

Circuit No.

Function

A

L-BU

1960

Front Center Speaker Output (-)

B

YE

1860

Front Center Speaker Output (+)

Speaker - Driver Seat Left


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Service: 12085535
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)

Speaker - Driver Seat Left

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Left Seat Speaker Output (-)

B

D-BU

46

Left Seat Speaker Output (+)

Speaker - Driver Seat Right


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Service: 12085535
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)

Speaker - Driver Seat Right

Pin

Wire Color

Circuit No.

Function

A

YE

116

Right Seat Speaker Output (-)

B

BN

199

Right Seat Speaker Output (+)

Speaker - Passenger Seat Left


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Service: 12085535
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)

Speaker - Passenger Seat Left

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Seat Speaker Output (-)

B

BN

199

Left Seat Speaker Output (+)

Speaker - Passenger Seat Right


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Service: 12085535
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)

Speaker - Passenger Seat Right

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Seat Speaker Output (-)

B

D-BU

46

Right Seat Speaker Output (+)

Speaker - LF Door Subwoofer


Object Number: 68737  Size: CH

Connector Part Information

  • OEM: 12129489
  • Service: 12126486
  • Description: 3-Way F Metri-Pack 280 Series, Flexlock (BK)

Terminal Part Information

  • Terminal/Tray: 12110844/4
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Speaker - LF Door Subwoofer

Pin

Wire Color

Circuit No.

Function

A

TN

201

Left Front Subwoofer Speaker Output (+)

B

--

--

Not Used

C

GY

118

Left Front Subwoofer Speaker Output (-)

Speaker - LF Midrange


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - LF Midrange

Pin

Wire Color

Circuit No.

Function

A

YE

1956

Left Front Midrange Speaker Output (-)

B

TN

1856

Left Front Midrange Speaker Output (+)

Speaker - RF Door Subwoofer


Object Number: 68737  Size: CH

Connector Part Information

  • OEM: 12129489
  • Service: 12126486
  • Description: 3-Way F Metri-Pack 280 Series, Flexlock (BK)

Terminal Part Information

  • Terminal/Tray: 12110844/4
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Speaker - RF Door Subwoofer

Pin

Wire Color

Circuit No.

Function

A

L-GN

200

Right Front Subwoofer Speaker Output (+)

B

--

--

Not Used

C

D-GN

117

Right Front Subwoofer Speaker Output (-)

Speaker - RF Midrange


Object Number: 280768  Size: CH

Connector Part Information

  • OEM: 12052832
  • Service: 12101825
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - RF Midrange

Pin

Wire Color

Circuit No.

Function

A

PU

1952

Right Front Midrange Speaker Output (-)

B

L-GN

1852

Right Front Midrange Speaker Output (+)

Traffic Information Receiver (U2U)


Object Number: 820098  Size: CH

Connector Part Information

  • OEM: 15316408
  • Service: 15316408
  • Description: 10-Way F (WH)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Traffic Information Receiver (U2U)

Pin

Wire Color

Circuit No.

Function

1

GY

5383

Vehicle Identification Communication System High Signal

2

BN

5384

Vehicle Identification Communication System Low Signal

3

RD/WH

740

Battery Positive Voltage

4

YE

43

Accessory Voltage Signal

5

BK/WH

651

Ground

6

YE

5385

Vehicle Identification Communication System Bus Request Signal

7

BARE

514

Drain

8-10

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C1


Object Number: 814530  Size: CH

Connector Part Information

  • OEM: 15431362
  • Service: 15306351
  • Description: 16-Way F KII Hybrid (WH)

Terminal Part Information

  • Pins: 2, 3, 6, 8, 11, 15
  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12180559/J-35616-6 (BN)
  • Pins: 7
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Vehicle Communication Interface Module (VCIM) C1

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BK/TN

2517

Keypad Red LED Signal

3

BK/YE

2516

Keypad Green LED Signal

4-5

--

--

Not Used

6

BK/L-GN

2515

Keypad Supply Voltage

7

--

--

Not Used

8

BK/WH

651

Ground

9-10

--

--

Not Used

11

BK/L-BU

2514

Keypad Signal

12-14

--

--

Not Used

15

RD/WH

140

Battery Positive Voltage

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C2


Object Number: 814532  Size: CH

Connector Part Information

  • OEM: 15431365
  • Service: 88952886
  • Description: 12-Way F KII Hybrid (WH)

Terminal Part Information

  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12180559/J-35616-6 (BN)

Vehicle Communication Interface Module (VCIM) C2

Pin

Wire Color

Circuit No.

Function

1

OG/BK

1406

Remote Playback Device Audio Signal

2

L-BU

1405

Remote Playback Device Audio Common Signal

3-5

--

--

Not Used

6

L-GN

2271

ADG Class 2 Serial Data

7

--

--

Not Used

8

BARE

2012

Drain

9

GY

655

Cellular Microphone Signal

10

BARE

1705

Drain

11-12

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C3


Object Number: 814530  Size: CH

Connector Part Information

  • OEM: 15431359
  • Service: 88988722
  • Description: 16-Way F KII Hybrid (GY)

Terminal Part Information

  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12180559/J-35616-6 (BN)

Vehicle Communication Interface Module (VCIM) C3

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PK

5149

Voice Recognition Audio Signal

3

--

--

Not Used

4

PK/BK

5152

Low Reference

5

BARE

1782

Drain

6-16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C4


Object Number: 1592605  Size: CH

Connector Part Information

  • OEM: 15431368
  • Service: 88988545
  • Description: 12-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12180559/J-35616-6 (BN)

Vehicle Communication Interface Module (VCIM) C4

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

TN/BK

2500

High Speed GMLAN Serial Data Bus (+)

3

TN

2501

High Speed GMLAN Serial Data Bus (-)

4-7

--

--

Not Used

8

TN/BK

2500

High Speed GMLAN Serial Data Bus (+)

9

TN

2501

High Speed GMLAN Serial Data Bus (-)

10-12

--

--

Not Used