GM Service Manual Online
For 1990-2009 cars only
Connector 1: Antenna Amplifier Module
Connector 2: Audio Amplifier C1 (UQ3)
Connector 3: Audio Amplifier C2 (UQ3)
Connector 4: Audio Amplifier C3 (UQ3)
Connector 5: Cellular Telephone Microphone (UE1)
Connector 6: Digital Radio Receiver (U2K)
Connector 7: Radio C1
Connector 8: Radio C2
Connector 9: Rear Seat Audio (RSA) Controller (UK6)
Connector 10: Speaker - Left Front Door (UQ3)
Connector 11: Speaker - Left Front Door (UW5)
Connector 12: Speaker - Left Front Tweeter
Connector 13: Speaker - Left Rear (UQ3)
Connector 14: Speaker - Left Rear (UW5)
Connector 15: Speaker - Right Front Door (UQ3)
Connector 16: Speaker - Right Front Door (UW5)
Connector 17: Speaker - Right Front Tweeter
Connector 18: Speaker - Right Rear (UQ3)
Connector 19: Speaker - Right Rear (UW5)
Connector 20: Vehicle Communication Interface Module (VCIM) C1 (UE1)
Connector 21: Vehicle Communication Interface Module (VCIM) C2 (UE1)
Connector 22: Vehicle Communication Interface Module (VCIM) C3 (UE1)

Antenna Amplifier Module


Object Number: 1420733  Size: CH

Connector Part Information

  • OEM: 12158481
  • Service: 88956513
  • Description: 1-Way F 187 (WH)

Terminal Part Information

  • Terminal/Tray: J-38125-218/24
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: J-38125-218/J-35616-40 (BU)

Antenna Amplifier Module

Pin

Wire Color

Circuit No.

Function

A

PK

5165

Antenna 12-Volt Switched Supply Voltage

Audio Amplifier C1 (UQ3)


Object Number: 1608393  Size: CH

Connector Part Information

  • OEM: 15465056
  • Service: 88988652
  • Description: 8-Way F Metri-Pack 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: Pins 4 - F/D
  • Core/Insulation Crimp: Pins 8 - 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Audio Amplifier C1 (UQ3)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

PK

5165

Antenna 12-Volt Switched Supply Voltage

4

RD/WH

1840

Battery Positive Voltage

5-6

--

--

Not Used

7

OG

5748

Amplifier Mute

8

BK

1250

Ground

Audio Amplifier C2 (UQ3)


Object Number: 888604  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: 33012-1002/26
  • Core/Insulation Crimp: 2/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Audio Amplifier C2 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

TN

201

Left Front Speaker Output (+)

3

BN

199

Left Rear Speaker Output (+)

4

D-BU/WH

346

Left Rear Subwoofer Speaker Output (+)

5

--

--

Not Used

6

L-GN

200

Right Front Speaker Output (+)

7

D-BU

46

Right Rear Speaker Output (+)

8

D-BU/WH

346

Left Rear Subwoofer Speaker Output (+)

9

--

--

Not Used

10

GY

118

Left Front Speaker Output (-)

11

YE

116

Left Rear Speaker Output (-)

12

L-GN

1794

Left Rear Subwoofer Speaker Output (-)

13

--

--

Not Used

14

D-GN

117

Right Front Speaker Output (-)

15

L-BU

115

Right Rear Speaker Output (-)

16

L-GN/BK

1794

Left Rear Subwoofer Speaker Output (-)

Audio Amplifier C3 (UQ3)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15394150
  • Service: 15394150
  • Description: 16-Way F Micro 64 Series (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 C3 (UQ3)

Pin

Wire Color

Circuit No.

Function

1

TN

511

Left Front Low Level Audio Signal (+)

2

D-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

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

Cellular Telephone Microphone (UE1)


Object Number: 35441  Size: CH

Connector Part Information

  • OEM: 12089868
  • 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 Telephone Microphone (UE1)

Pin

Wire Color

Circuit No.

Function

A

BARE

1489

Drain Wire

B

GY

655

Cellular Microphone Signal

Digital Radio Receiver (U2K)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15416970
  • Service: See Catalog
  • Description: 16-Way F Micro-Pack 64 Series (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

D-GN

5060

Low Speed GMLAN Serial Data

7-8

--

--

Not Used

9

BK

1050

Ground

10

TN/WH

372

Remote Radio Audio Output (-)

11

BARE

814

Drain Wire

12-15

--

--

Not Used

16

RD/WH

1240

Battery Positive Voltage

Radio C1


Object Number: 1590072  Size: CH

Connector Part Information

  • OEM: 15464950
  • Service: 88988731
  • Description: 14-Way F GT 150 Series 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: 2-7, 9-11
  • 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

340

Battery Positive Voltage

2

GY

8

Instrument Panel Lamp Supply Voltage

3

PU

493

Rear Seat Audio Enable Signal (UK6)

4

D-GN

117

Right Front Speaker Output (-) (UW5)

L-GN

1948

Right Front Low Level Audio Signal (-) (UQ3)

5

L-GN

200

Right Front Speaker Output (+) (UW5)

L-GN/WH

512

Right Front Low Level Audio Signal (+) (UQ3)

6

GY

118

Left Front Speaker Output (-) (UW5)

D-GN

1947

Left Front Low Level Audio Signal (-) (UQ3)

7

TN

201

Left Front Speaker Output (+) (UW5)

TN

511

Left Front Low Level Audio Signal (+) (UQ3)

8

BK/WH

651

Ground

9

D-GN

5060

Low Speed GMLAN Serial Data

10

D-GN

5060

Low Speed GMLAN Serial Data

11

D-BU

1796

Steering Wheel Controls Signal

12-14

--

--

Not Used

Radio C2


Object Number: 850856  Size: CH

Connector Part Information

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

PK

5165

Antenna 12-Volt Switched Supply Voltage

4

D-BU

46

Right Rear Speaker Output (+) (UQ3)

D-BU

546

Right Rear Low Level Audio Signal (+) (UW5)

5

L-BU

115

Right Rear Speaker Output (-) (UW5)

TN

1946

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

6

BN

599

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

BN

199

Left Rear Speaker Output (+) (UW5)

7

BN

1999

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

YE

116

Left Rear Speaker Output (-) (UW5)

8

PK/BK

2062

Cellular Telephone Voice Signal (UE1)

9

TN/WH

372

Remote Radio Audio Output (-) (U2K)

10-12

--

--

Not Used

13

L-GN

1011

Remote Radio Control Signal (UK6)

14

WH/BK

644

10-Volt Reference

15

OG

5748

Amplifier Mute (UQ3)

16

OG/BK

2061

Cellular Telephone Voice Low Reference (UE1)

Rear Seat Audio (RSA) Controller (UK6)


Object Number: 744296  Size: CH

Connector Part Information

  • OEM: 12110259
  • Service: 12110259
  • Description: 16-Way F Receptacle 0.64 Sealed (GN)

Terminal Part Information

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

Rear Seat Audio (RSA) Controller (UK6)

Pin

Wire Color

Circuit No.

Function

A1

TN

1946

Right Rear Low Level Audio Signal (-)

A2

D-BU

546

Right Rear Low Level Audio Signal (+)

A3

BN

1999

Left Rear Low Level Audio Signal (-)

A4

BN/WH

599

Left Rear Low Level Audio Signal (+)

A5

L-GN

1011

Remote Radio Control Signal

A6

GY

8

Instrument Panel Lamp Supply Voltage

A7

--

--

Not Used

A8

WH/BK

644

10-Volt Reference

B1

TN

1946

Right Rear Low Level Audio Signal (-)

B2

D-BU

546

Right Rear Low Level Audio Signal (+)

B3

BN

1999

Left Rear Low Level Audio Signal (-)

B4

BN/WH

599

Left Rear Low Level Audio Signal (+)

B5

PU

493

Rear Seat Audio Enable Signal

B6

BK

1050

Ground

B7

--

--

Not Used

B8

BN

9

Park Lamp Supply Voltage

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

Speaker - Left Front Door (UQ3)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - Left Front Door (UW5)


Object Number: 130687  Size: CH

Connector Part Information

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

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 (UW5)

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - Left Front Tweeter


Object Number: 766913  Size: CH

Connector Part Information

  • OEM: 12065651
  • 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 - Left Front Tweeter

Pin

Wire Color

Circuit No.

Function

A

GY

118

Left Front Speaker Output (-)

B

TN

201

Left Front Speaker Output (+)

Speaker - Left Rear (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 - Left Rear (UQ3)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1794

Left Rear Subwoofer Speaker Output (-)

B

D-BU/WH

346

Left Rear Subwoofer Speaker Output (+)

C

YE

116

Left Rear Speaker Output (-)

D

BN

199

Left Rear Speaker Output (+)

Speaker - Left Rear (UW5)


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 Rear (UW5)

Pin

Wire Color

Circuit No.

Function

A

YE

116

Left Rear Speaker Output (-)

B

BN

199

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

Speaker - Right Front Door (UQ3)

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 (UW5)


Object Number: 130687  Size: CH

Connector Part Information

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

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 (UW5)

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 Tweeter


Object Number: 766913  Size: CH

Connector Part Information

  • OEM: 12065651
  • Service: 12117275
  • Description: 2-Way M Metri-Pack 150 (BK)

Terminal Part Information

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

Speaker - Right Front Tweeter

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-)

B

L-GN

200

Right Front Speaker Output (+)

Speaker - Right Rear (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 - Right Rear (UQ3)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1794

Left Rear Subwoofer Speaker Output (-)

B

D-BU/WH

346

Left Rear Subwoofer Speaker Output (+)

C

L-BU

115

Right Rear Speaker Output (-)

D

D-BU

46

Right Rear Speaker Output (+)

Speaker - Right Rear (UW5)


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 Rear (UW5)

Pin

Wire Color

Circuit No.

Function

A

L-BU

115

Right Rear Speaker Output (-)

B

D-BU

46

Right Rear Speaker Output (+)

Vehicle Communication Interface Module (VCIM) C1 (UE1)


Object Number: 697022  Size: CH

Connector Part Information

  • OEM: 15431362
  • Service: 15306351
  • Description: 16-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) C1 (UE1)

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

651

Ground

9-10

--

--

Not Used

11

D-GN/WH

2514

Keypad Signal

12-15

--

--

Not Used

16

RD/WH

840

Battery Positive Voltage

Vehicle Communication Interface Module (VCIM) C2 (UE1)


Object Number: 1471691  Size: CH

Connector Part Information

  • OEM: 15431365
  • Service: 88952886
  • Description: 12-Way F Metri-Pack 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 (UE1)

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 (UE1)


Object Number: 1592605  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 (UE1)

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-

4-6

--

--

Not Used

7

D-GN

5060

Low Speed GMLAN Serial Data

8

TN/BK

2500

High Speed GMLAN Serial Data Bus+

9

TN

2501

High Speed GMLAN Serial Data Bus-

11-12

--

--

Not Used