GM Service Manual Online
For 1990-2009 cars only
Connector 1: Audio Amplifier C1 (U87)
Connector 2: Audio Amplifier C1 (UQ3)
Connector 3: Audio Amplifier C2 (U87)
Connector 4: Audio Amplifier C2 (UQ3)
Connector 5: Audio Amplifier C3 (U87)
Connector 6: Audio Amplifier C3 (UQ3)
Connector 7: Digital Radio Receiver (U2K)
Connector 8: Radio, C1
Connector 9: Radio, C2
Connector 10: Radio, C2 (9C1/9C3)
Connector 11: Radio Antenna Module
Connector 12: Speaker - LF Door (UW6, UQ3)
Connector 13: Speaker - LF Door (U87)
Connector 14: Speaker - LF Tweeter (Sedan)
Connector 15: Speaker - LR (UW6)
Connector 16: Speaker - LR (U87)
Connector 17: Speaker - LR (UQ3)
Connector 18: Speaker - RF Door (UW6, UQ3)
Connector 19: Speaker - RF Door (U87)
Connector 20: Speaker - RF Tweeter (Sedan)
Connector 21: Speaker - RR (UW6)
Connector 22: Speaker - RR (U87)
Connector 23: Speaker - RR (UQ3)

Audio Amplifier C1 (U87)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15394150
  • Service: See Catalog
  • 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)

Audio Amplifier C1 (U87)

Pin

Wire Color

Circuit No.

Function

1

TN

511

Left Front Low Level Audio Signal (+)

2

L-GN

512

Right Front Low Level Audio Signal (+)

3

BN/WH

599

Left Rear Low Level Audio Signal (+)

4

D-BU

546

Right Rear Low Level Audio Signal (+)

5-8

--

--

Not Used

9

D-GN

1947

Left Front Low Level Audio Signal (-)

10

L-GN/BK

1948

Right Front Low Level Audio Signal (-)

11

BN

1999

Left Rear Low Level Audio Signal (-)

12

TN

1946

Right Rear Low Level Audio Signal (-)

13-16

--

--

Not Used

Audio Amplifier C1 (UQ3)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15394150
  • Service: See Catalog
  • 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)

Audio Amplifier C1 (UQ3)

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

TN

1946

Right Rear Low Level Audio Signal (-)

5

BN

1999

Left Rear Low Level Audio Signal (-)

6

L-GN/BK

1948

Right Front Low Level Audio Signal (-)

7

D-GN

1947

Left Front Low Level Audio Signal (-)

8

PK

5165

Antenna 14V Switched Supply Voltage

9-10

--

--

Not Used

11

OG

5748

Radio Audio Mute Signal

12

D-BU

546

Right Rear Low Level Audio Signal (+)

13

BN/WH

599

Left Rear Low Level Audio Signal (+)

14

L-GN/WH

512

Right Front Low Level Audio Signal (+)

15

TN

511

Left Front Low Level Audio Signal (+)

16

--

--

Not Used

Audio Amplifier C2 (U87)


Object Number: 1653404  Size: CH

Connector Part Information

  • OEM: 10734461
  • Service: 88952777
  • Description: 16-Way F 1.5 (GN)

Terminal Part Information

  • Terminal/Tray: 33012-0002/26
  • Core/Insulation Crimp: 2/C
  • Release Tool/Test Probe: 12094429/J-35616-66 (YE)

Audio Amplifier C2 (U87)

Pin

Wire Color

Circuit No.

Function

1

TN

1856

Left Front Tweeter Speaker Output (+)

2

TN

201

Left Front Speaker Output (+)

3

BN

199

Left Rear Speaker Output (+)

4

D-BU/WH

346

Left Subwoofer Speaker Output (+)

5

L-GN

1852

Right Front Tweeter Speaker Output (+)

6

L-GN

200

Right Front Speaker Output (+)

7

D-BU

46

Right Rear Speaker Output (+)

8

D-GN

1795

Right Subwoofer Speaker Output (+)

9

YE

1956

Left Front Tweeter Speaker Output (-)

10

GY

118

Left Front Speaker Output (-)

11

YE

116

Left Rear Speaker Output (-)

12

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

13

PU

1952

Right Front Tweeter Speaker Output (-)

14

D-GN

117

Right Front Speaker Output (-)

15

L-BU

115

Right Rear Speaker Output (-)

16

L-BU/BK

315

Right Subwoofer Speaker Output (-)

Audio Amplifier C2 (UQ3)


Object Number: 1653404  Size: CH

Connector Part Information

  • OEM: 10734461
  • Service: 88952777
  • Description: 16-Way F 1.5 (GN)

Terminal Part Information

  • Terminal/Tray: 33012-0002/26
  • Core/Insulation Crimp: 2/C
  • Release Tool/Test Probe: 12094429/J-35616-66 (YE)

Audio Amplifier C2 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

D-GN

117

Right Front Speaker Output (-)

2

L-GN

200

Right Front Speaker Output (+)

3

GY

118

Left Front Speaker Output (-)

4

TN

201

Left Front Speaker Output (+)

5

L-BU

115

Right Rear Speaker Output (-)

6

D-BU

46

Right Rear Speaker Output (+)

7

YE

116

Left Rear Speaker Output (-)

8

BN

199

Left Rear Speaker Output (+)

9-16

--

--

Not Used

Audio Amplifier C3 (U87)


Object Number: 1608393  Size: CH

Connector Part Information

  • OEM: 15465056
  • Service: 88988652
  • Description: 8-Way F GT 280 Series (BK)

Terminal Part Information

  • Pins: 3, 7
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 4, 8
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Audio Amplifier C3 (U87)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

PK

5165

Antenna 14V Switched Supply Voltage

4

RD/WH

640

Battery Positive Voltage

5-6

--

--

Not Used

7

OG

5748

Radio Audio Mute Signal

8

BK/WH

851

Ground

Audio Amplifier C3 (UQ3)


Object Number: 1653389  Size: CH

Connector Part Information

  • OEM: 15491286
  • Service: 88988652
  • Description: 8-Way F Receptacle 280 Series (BK)

Terminal Part Information

  • Pins: 2, 3, 6, 7
  • Terminal/Tray: 8100-4444/22
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-35 (VT)
  • Pins: 4, 8
  • Terminal/Tray: 8100-4445/22
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-35 (VT)

Audio Amplifier C3 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

L-BU/BK

315

Right Subwoofer Speaker Output (-)

3

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

4

RD/WH

640

Battery Positive Voltage

5

--

--

Not Used

6

D-GN

1795

Right Subwoofer Speaker Output (+)

7

D-BU/WH

346

Left Subwoofer Speaker Output (+)

8

BK/WH

851

Ground

Digital Radio Receiver (U2K)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15394150
  • Service: See Catalog
  • 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-35616-64A (L-BU)

Digital Radio Receiver (U2K)

Pin

Wire Color

Circuit No.

Function

1

D-GN

7007

Left Audio Signal (-)

2

BN/WH

367

Left Audio Signal (+)

3

D-GN/WH

368

Right Audio Signal (+)

4

GY/BK

7008

Right Audio Signal (-)

5

D-GN

5060

Low Speed GMLAN Serial Data

6-8

--

--

Not Used

9

RD/WH

851

Ground (Coupe)

BK/WH

851

Ground (Sedan)

10-15

--

--

Not Used

16

RD/WH

2340

Battery Positive Voltage

Radio, C1


Object Number: 1673491  Size: CH

Connector Part Information

  • OEM: 15488568
  • Service: See Catalog
  • Description: 14-Way F GT 150 Micro 64 Modular (BK)

Terminal Part Information

  • Pins: 1, 8
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: 2, 3, 6, 7, 9, 10, 13
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Radio, C1

Pin

Wire Color

Circuit No.

Function

1

RD/WH

2040

Battery Positive Voltage

2

TN

201

Left Front Speaker Output (+)

3

L-GN

200

Right Front Speaker Output (+)

4-5

--

--

Not Used

6

PK

5165

Antenna 14V Switched Supply Voltage

7

PU/WH

1382

LED Dimming Signal

8

BK/WH

351

Ground

9

GY

118

Left Front Speaker Output (-)

10

D-GN

117

Right Front Speaker Output (-)

11-12

--

--

Not Used

13

D-GN/WH

5060

Low Speed GMLAN Serial Data

14

--

--

Not Used

Radio, C2


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15416970
  • Service: 22715969
  • 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)

Radio, C2

Pin

Wire Color

Circuit No.

Function

1

BN/WH

367

Left Audio Signal (+) (U2K)

2

D-GN/WH

368

Right Audio Signal (+) (U2K)

3-4

--

--

Not Used

5

BN

199

Left Rear Speaker Output (+) (UW6)

Left Rear Low Level Audio Signal (+) (U87, UQ3)

6

D-BU

46

Right Rear Speaker Output (+) (UW6)

Right Rear Low Level Audio Signal (+) (U87, UQ3)

7

OG/BK

1406

Left Audio Signal (+)

8

OG

5748

Radio Audio Mute Signal (U87, UQ3)

9

D-GN

7007

Left Audio Signal (-) (U2K)

10

GY/BK

7008

Right Audio Signal (-) (U2K)

11

BARE

814

Drain Wire (U2K)

12

--

--

Not Used

13

YE

116

Left Rear Speaker Output (-) (UW6)

Left Rear Low Level Audio Signal (-) (U87, UQ3)

14

L-BU

115

Right Rear Speaker Output (-) (UW6)

Right Rear Low Level Audio Signal (-) (U87, UQ3)

15

L-BU

1405

Audio Common Signal

16

--

--

Not Used

Radio, C2 (9C1/9C3)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15416970
  • Service: See Catalog
  • 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)

Radio, C2 (9C1/9C3)

Pin

Wire Color

Circuit No.

Function

1-4

--

--

Not Used

5

BN

199

Left Rear Speaker Output (+)

6

D-BU

46

Right Rear Speaker Output (+)

7-12

--

--

Not Used

13

YE

116

Left Rear Speaker Output (-)

14

L-BU

115

Right Rear Speaker Output (-)

15-16

--

--

Not Used

Radio Antenna Module


Object Number: 1673532  Size: CH

Connector Part Information

  • OEM: 15418109
  • Service: Not Serviced
  • Description: 1-Way F (WH)

Terminal Part Information

  • Terminal/Tray: Not Serviced in Kit
  • Core/Insulation Crimp: Not Serviced in Kit
  • Release Tool/Test Probe: Not Serviced in Kit

Radio Antenna Module

Pin

Wire Color

Circuit No.

Function

1

PK

5165

Antenna 14V Switched Supply Voltage

Speaker - LF Door (UW6, UQ3)


Object Number: 130687  Size: CH

Connector Part Information

  • OEM: 12064867
  • Service: 88987981
  • Description: 2-Way F Metri-Pack 150 Series (WH)

Terminal Part Information

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

Speaker - LF Door (UW6, UQ3)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - LF Door (U87)


Object Number: 697046  Size: CH

Connector Part Information

  • OEM: 12186568
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - LF Door (U87)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

C

YE

1956

Left Front Tweeter Speaker Output (-)

D

TN

1856

Left Front Tweeter Speaker Output (+)

Speaker - LF Tweeter (Sedan)


Object Number: 766913  Size: CH

Connector Part Information

  • OEM: 15393225
  • Service: 12117275
  • Description: 2-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

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

Speaker - LF Tweeter (Sedan)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-) (UW6)

YE

1956

Left Front Speaker Output (-) (UQ3)

B

TN

201

Left Front Speaker Output (+) (UW6)

TN

1856

Left Front Speaker Output (+) (UQ3)

Speaker - LR (UW6)


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/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - LR (UW6)

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

Speaker - LR (U87)


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 - LR (U87)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

346

Left Subwoofer Speaker Output (+)

B

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

C

YE

116

Left Rear Speaker Output (-)

D

BN

199

Left Rear Speaker Output (+)

Speaker - LR (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 - LR (UQ3)

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Rear Speaker Output (-)

B

BN

199

Left Rear Speaker Output (+)

C

D-BU/WH

346

Left Subwoofer Speaker Output (+)

D

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

Speaker - RF Door (UW6, UQ3)


Object Number: 130687  Size: CH

Connector Part Information

  • OEM: 12064867
  • Service: 88987981
  • Description: 2-Way F Metri-Pack 150 Series (WH)

Terminal Part Information

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

Speaker - RF Door (UW6, UQ3)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - RF Door (U87)


Object Number: 697046  Size: CH

Connector Part Information

  • OEM: 12186568
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - RF Door (U87)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

C

PU

1952

Right Front Tweeter Speaker Output (-)

D

L-GN

1852

Right Front Tweeter Speaker Output (+)

Speaker - RF Tweeter (Sedan)


Object Number: 766913  Size: CH

Connector Part Information

  • OEM: 15393225
  • Service: 12117275
  • Description: 2-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

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

Speaker - RF Tweeter (Sedan)

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-) (UW6)

PU

1952

Right Front Speaker Output (-) (UQ3)

B

L-GN

200

Right Front Speaker Output (+) (UW6)

L-GN

1852

Right Front Speaker Output (+) (UQ3)

Speaker - RR (UW6)


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/A
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - RR (UW6)

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

Speaker - RR (U87)


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 - RR (U87)

Pin

Wire Color

Circuit No.

Function

A

D-GN

1795

Right Subwoofer Speaker Output (+)

B

L-BU/BK

315

Right Subwoofer Speaker Output (-)

C

L-BU

115

Right Rear Speaker Output (-)

D

D-BU

46

Right Rear Speaker Output (+)

Speaker - RR (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 - RR (UQ3)

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

C

D-GN

1795

Right Subwoofer Speaker Output (+)

D

L-BU/BK

315

Right Subwoofer Speaker Output (-)