GM Service Manual Online
For 1990-2009 cars only
Connector 1: Audio Amplifier C1
Connector 2: Audio Amplifier C2 (UQ3)
Connector 3: Audio Amplifier C3 (UQ3)
Connector 4: Cellular Microphone
Connector 5: Digital Radio Receiver (U2K)
Connector 6: Radio C1 (UQ3)
Connector 7: Radio C2 (UQ3)
Connector 8: Speaker - Left Front Door (UQ3)
Connector 9: Speaker - Left Front Door (UQ4)
Connector 10: Speaker - Left Front Door Tweeter (UQ3)
Connector 11: Speaker - Right Front Door (UQ3)
Connector 12: Speaker - Right Front Door (UQ4)
Connector 13: Speaker - Right Front Door Tweeter (UQ3)
Connector 14: Speaker - Left Rear (UQ3)
Connector 15: Speaker - Left Rear (UQ4)
Connector 16: Speaker - Right Rear (UQ3)
Connector 17: Speaker - Right Rear (UQ4)
Connector 18: Speaker - Subwoofer (UQ3)
Connector 19: Vehicle Communication Interface Module (VCIM) C1
Connector 20: Vehicle Communication Interface Module (VCIM) C2
Connector 21: Vehicle Communication Interface Module (VCIM) C3

Audio Amplifier C1


Object Number: 1814631  Size: CH

Connector Part Information

  • OEM: 15465061
  • Service: 88988652
  • Description: 8-Way F (BK)

Terminal Part Information

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

Audio Amplifier C1

Pin

Wire Color

Circuit No.

Function

1

D-BU/WH

346

Rear Subwoofer Speaker Output (+)

2

L-GN/BK

1794

Rear Subwoofer Speaker Output (-)

3

D-GN

1795

Rear Subwoofer Speaker Output (+)

4

L-BU/BK

315

Rear Subwoofer Speaker Output (-)

5

BK/WH

1051

Ground

6-7

--

--

Not Used

8

RD/WH

640

Battery Positive Voltage

Audio Amplifier C2 (UQ3)


Object Number: 1653404  Size: CH

Connector Part Information

  • OEM: 15489823
  • Service: 15134091
  • Description: 16-Way M 1.5 Series Sealed (BK)

Terminal Part Information

  • Pins: 1, 2, 11, 12
  • Terminal/Tray: 8240-0127/22
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: 3, 4, 9, 10
  • Terminal/Tray: 8240-0128/22
  • Core/Insulation Crimp: Pins 3, 4: C/A
  • Core/Insulation Crimp: Pins 9, 10: See Terminal Repair Kit
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Audio Amplifier C2 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

YE/BK

116

Left Rear Speaker Output (-) (UQ3)

2

BN

199

Left Rear Speaker Output (+)

3

D-BU

46

Right Rear Speaker Output (+)

4

L-BU

115

Right Rear Speaker Output (-)

5-8

--

--

Not Used

9

D-GN

117

Right Front Speaker Output (-)

10

L-GN

200

Right Front Speaker Output (+)

11

TN

201

Left Front Speaker Output (+)

12

GY

118

Left Front Speaker Output (-)

13-16

--

--

Not Used

Audio Amplifier C3 (UQ3)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15416970
  • Service: 15394150
  • Description: 16-Way F Micro 64 Unsealed (BK)

Terminal Part Information

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

Audio Amplifier C3 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

BN

1999

Left Rear Low Level Audio Signal (-)

2

TN

1946

Right Rear Low Level Audio Signal (-)

3

BN/WH

599

Left Rear Low Level Audio Signal (+)

4

D-BU

546

Right Rear Low Level Audio Signal (+)

5-7

--

--

Not Used

8

PK

314

Radio On Signal

9

L-GN/WH

512

Right Front Low Level Audio Signal (+)

10

D-GN

1947

Left Front Low Level Audio Signal (-)

11

L-GN

1948

Right Front Low Level Audio Signal (-)

12

TN

511

Left Front Low Level Audio Signal (+)

13-15

--

--

Not Used

16

L-GN

1011

Remote Radio Control Signal

Cellular 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)

Cellular Microphone

Pin

Wire Color

Circuit No.

Function

A

BARE

1489

Drain Wire

B

GY

655

Cellular Microphone Signal

Digital Radio Receiver (U2K)


Object Number: 1454407  Size: CH

Connector Part Information

  • OEM: 15416970
  • Service: 15394150
  • Description: 16-Way F Micro 64 Modular (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

--

--

Not Used

5

D-GN

5060

Low Speed GMLAN Serial Data

6-8

--

--

Not Used

9

BK/WH

751

Ground

10

TN/WH

372

Audio Common (-)

11

BARE

814

Drain Wire

12-15

--

--

Not Used

16

RD/WH

1340

Battery Positive Voltage

Radio C1 (UQ3)


Object Number: 1673491  Size: CH

Connector Part Information

  • OEM: 15488568
  • Service: 88988743
  • Description: 14-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

  • Pins: 1, 8
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
  • Pins: 2, 4-7 , 9, 11
  • Terminal/Tray: 12146448/19
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Radio C1 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

RD/WH

1140

Battery Positive Voltage

2

GY

8

Instrunent Panel lamp Supply Voltage

3

--

--

Not Used

4

D-GN

117

Right Front Speaker Output (-) (U1C)

L-GN

1948

Right Front Low Level Audio Signal (-) (US8)

5

L-GN

200

Right Front Speaker Output (+) (U1C)

L-GN/WH

512

Right Front Low Level Audio Signal (+) (US8)

6

GY

118

Left Front Speaker Output (-) (U1C)

D-GN

1947

Left Front Low Level Audio (-) (US8)

7

TN

201

Left Front Speaker Output (+) (U1C)

TN

511

Left Front Low Level Audio Signal (US8)

8

BK/WH

1051

Ground

9

D-GN

5060

Low Speed GMLAN Serial Data

10

--

--

Not Used

11

D-BU

1796

Steering Wheel Controls Signal (UK3)

12-14

--

--

Not Used

Radio C2 (UQ3)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15416970
  • Service: 15394150
  • Description: 16-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)

Radio C2 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

BN/WH

367

Left Audio Signal (+)

2

D-GN/WH

368

Right Audio Signal (+)

3

PK

314

Radio On Signal

4

D-BU

46

Right Rear Speaker Output (+) (U1C)

D-BU

546

Right Rear Low Level Audio Signal (+) (US8)

5

L-BU

115

Right Rear Speaker Output (-) (U1C)

TN

1946

Right Rear Low Level Audio Signal (-) (US8)

6

BN

199

Left Rear Speaker Output (+) (U1C)

BN/WH

599

Left Rear Low Level Audio Signal (+) (US8)

7

YE

116

Left Rear Speaker Output (-) (U1C)

BN

1999

Left Rear Low Level Audio Signal (-) (US8)

8

PK/BK

2062

Cellular Telephone Voice Signal (UE1)

9

TN/WH

372

Audio Common

10-13

--

--

Not Used

14

WH/BK

644

10-Volt Reference (US8)

15

L-GN

1011

Remote Radio Control Signal (US8)

16

OG/BK

2061

Cellular Telephone Voice Low Reference (UE1)

Speaker - Left Front Door (UQ3)


Object Number: 130724  Size: CH

Connector Part Information

  • OEM: 12064869
  • Service: 12117323
  • Description: 2-Way F Metri-Pack 150 Series (BU)

Terminal Part Information

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

Speaker - Left Front Door (UQ3)

Pin

Wire Color

Circuit No.

Function

A

GY/BK

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - Left Front Door (UQ4)


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 - Left Front Door (UQ4)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - Left Front Door Tweeter (UQ3)


Object Number: 766913  Size: CH

Connector Part Information

  • OEM: 15485606
  • Service: 12126048
  • Description: 2-Way M Metri-Pack 150 Series (BU)

Terminal Part Information

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

Speaker - Left Front Door Tweeter (UQ3)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - Right Front Door (UQ3)


Object Number: 130724  Size: CH

Connector Part Information

  • OEM: 12064869
  • Service: 12117323
  • Description: 2-Way F Metri-Pack 150 Series (BU)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Right Front Door (UQ3)

Pin

Wire Color

Circuit No.

Function

A

D-GN/WH

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - Right Front Door (UQ4)


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 - Right Front Door (UQ4)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - Right Front Door Tweeter (UQ3)


Object Number: 766913  Size: CH

Connector Part Information

  • OEM: 15485606
  • Service: 12126048
  • Description: 2-Way M Metri-Pack 150 Series (BU)

Terminal Part Information

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

Speaker - Right Front Door Tweeter (UQ3)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - Left Rear (UQ3)


Object Number: 130724  Size: CH

Connector Part Information

  • OEM: 12064869
  • Service: 12117323
  • Description: 2-Way F Metri-Pack 150 Series (BU)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Left Rear (UQ3)

Pin

Wire Color

Circuit No.

Function

A

YE/BK

116

Left Rear Speaker Output (-)

B

BN/BK

199

Left Rear Speaker Output (+)

Speaker - Left Rear (UQ4)


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: 12047767/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Left Rear (UQ4)

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

Speaker - Right Rear (UQ3)


Object Number: 130724  Size: CH

Connector Part Information

  • OEM: 12064869
  • Service: 12117323
  • Description: 2-Way F Metri-Pack 150 Series (BU)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Right Rear (UQ3)

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

115

Right Rear Speaker Output (-)

B

D-BU/WH

46

Right Rear Speaker Output (+)

Speaker - Right Rear (UQ4)


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: 12047767/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Right Rear (UQ4)

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

Speaker - Subwoofer (UQ3)


Object Number: 130637  Size: CH

Connector Part Information

  • OEM: 12064760
  • Service: 12085208
  • Description: 4-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12047767/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Subwoofer (UQ3)

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

315

Right Rear Subwoofer Speaker Output (+)

B

D-GN

1795

Right Rear Subwoofer Speaker Output (+)

C

D-BU/WH

346

Rear Subwoofer Speaker Output (-)

D

L-GN/BK

1794

Rear Subwoofer Speaker Output (+)

Vehicle Communication Interface Module (VCIM) C1


Object Number: 1471689  Size: CH

Connector Part Information

  • OEM: 15431362
  • Service: 15306351
  • Description: 16-Way F Micro HVT (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) C1

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN/WH

2517

Keypad Red LED Signal

3

YE/BK

2516

Keypad Green LED Signal

4-5

--

--

Not Used

6

L-GN/BK

2515

Keypad Supply Voltage

7

--

--

Not Used

8

BK/WH

751

Ground

9-10

--

--

Not Used

11

D-GN/WH

2514

Keypad Signal

12-14

--

--

Not Used

15

RD/WH

1340

Battery Positive Voltage

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C2


Object Number: 1471691  Size: CH

Connector Part Information

  • OEM: 15431365
  • Service: 88952886
  • Description: 12-Way F Micro 100A (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

PK/BK

2062

Cellular Telephone Voice Signal

2

OG/BK

2061

Cellular Telephone Voice Low Reference

3-7

--

--

Not Used

8

BARE

813

Drain Wire

9

GY

655

Cellular Microphone Signal

10

BARE

1489

Drain Wire

11-12

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C3


Object Number: 697023  Size: CH

Connector Part Information

  • OEM: 15431368
  • Service: 88988545
  • Description: 12-Way F Micro 100A (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) C3

Pin

Wire Color

Circuit No.

Function

1

D-GN

5060

Low Speed GMLAN Serial Data

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