GM Service Manual Online
For 1990-2009 cars only
Connector 1: Amplifier C1 (U65)
Connector 2: Amplifier C2 (U65)
Connector 3: Amplifier C3 (U65)
Connector 4: Audio/Video Adapter (UUC)
Connector 5: Cellular and Navigation Antenna (UE1)/Digital Antenna (U2K)
Connector 6: Cellular Telephone Microphone (UE1)
Connector 7: Digital Radio Receiver (U2K)
Connector 8: Infrared Transmitter Module (UUC)
Connector 9: Radio C1
Connector 10: Radio C2
Connector 11: Radio C3 (UUC)
Connector 12: Radio C4 (U3U)
Connector 13: Speaker - Left Front
Connector 14: Speaker - Left Front (Tweeter)
Connector 15: Speaker - Left Rear
Connector 16: Speaker - Right Front
Connector 17: Speaker - Right Front (Tweeter)
Connector 18: Speaker - Right Rear
Connector 19: Speaker - Subwoofer (U65)
Connector 20: Steering Wheel Control Switch - Right (UK3)
Connector 21: Vehicle Communication Interface Module (VCIM) C1 (UE1)
Connector 22: Vehicle Communication Interface Module (VCIM) C2 (UE1)
Connector 23: Vehicle Communication Interface Module (VCIM) C3 (UE1 w/U3U)
Connector 24: Vehicle Communication Interface Module (VCIM) Battery (UE1)
Connector 25: Video Display (UUC)

Amplifier C1 (U65)


Object Number: 1653389  Size: CH

Connector Part Information

  • OEM: 6098-4713
  • Service: 88988652
  • Description: 8-Way F 2.8 Series (BK)

Terminal Part Information

  • Pins: 1, 2, 3, 4
  • Terminal/Tray: 8100-4444/22
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-35 (VT)
  • Pins: 5, 8
  • Terminal/Tray: 8100-4445/22
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-35 (VT)

Amplifier C1 (U65)

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

1794

Subwoofer Speaker Coil 2 Output (-)

2

D-BU/WH

346

Subwoofer Speaker Coil 2 Output (+)

3

D-GN

1795

Subwoofer Speaker Coil 1 Output (+)

4

L-BU/BK

315

Subwoofer Speaker Coil 1 Output (-)

5

BK

850

Ground

6-7

--

--

Not Used

8

RD/WH

2040

Battery Positive Voltage

Amplifier C2 (U65)


Object Number: 888604  Size: CH

Connector Part Information

  • OEM: 7283-5534-60
  • Service: 89047090
  • Description: 16-Way M YESC/USCAR Class II Sealed Series (GN)

Terminal Part Information

  • Terminal/Tray: 7116-4101-08/9
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)

Amplifier C2 (U65)

Pin

Wire Color

Circuit No.

Function

1

YE

116

Left Rear Speaker Output (-)

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

Amplifier C3 (U65)


Object Number: 1653409  Size: CH

Connector Part Information

  • OEM: 7283-9076-30
  • Service: 15136073
  • Description: 16-Way F 0.64 Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Amplifier C3 (U65)

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

WH

1487

Antenna Enable 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

OG

5748

Radio Audio Mute Signal

Audio/Video Adapter (UUC)


Object Number: 1715233  Size: CH

Connector Part Information

  • OEM: 15480082
  • Service: 19149303
  • Description: 8-Way F Micro 64 Series (GY)

Terminal Part Information

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

Audio/Video Adapter (UUC)

Pin

Wire Color

Circuit No.

Function

1

BARE

5345

Drain Wire

2

--

--

Not Used

3

PU

2056

Auxiliary Video High Signal

4

--

--

Not Used

5

WH

2058

Right Auxiliary Audio Signal

6

YE

2059

Left Auxiliary Audio Signal

7

BARE

5346

Video Drain Wire

8

--

--

Not Used

Cellular and Navigation Antenna (UE1)/Digital Antenna (U2K)


Object Number: 1850604  Size: CH

Connector Part Information

  • OEM: GT13GM-1/1S-HU
  • Service: Service by Harness - See Part Catalog
  • Description: 3-Way F GT13 Coaxial Series (GY)

Terminal Part Information

  • Pins: 1
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Cellular and Navigation Antenna (UE1)/Digital Antenna (U2K)

Pin

Wire Color

Circuit No.

Function

1

WH

1487

Antenna Enable Signal

S

--

--

Not Used

C

COAX

--

Antenna Signal

Cellular Telephone Microphone (UE1)


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

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

TN

372

Remote Radio Left Audio Signal (-)

2

BN

367

Remote Radio Left Audio Signal (+)

3

D-GN

368

Remote Radio Right Audio Signal (+)

4

GY

388

Remote Radio Right Audio Signal (-)

5

D-GN

5060

Low Speed GMLAN Serial Data

6-8

--

--

Not Used

9

BK/WH

651

Ground

10

--

--

Not Used

11

GY

6759

Discrete Audio Drain Wire

12-15

--

--

Not Used

16

RD/WH

2340

Battery Positive Voltage

Infrared Transmitter Module (UUC)


Object Number: 1454407  Size: CH

Connector Part Information

  • OEM: 15429806
  • Service: 89047196
  • Description: 16-Way F Micro 64 Series (BN)

Terminal Part Information

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

Infrared Transmitter Module (UUC)

Pin

Wire Color

Circuit No.

Function

1

L-BU

5826

Left DVD Audio Signal (+)

2

PU

6979

DVD Audio Common

3

WH

5828

Right DVD Audio Signal (+)

4

YE

343

Accessory Voltage

5-7

--

--

Not Used

8

OG/BK

5831

Remote Infra Red Signal (+)

9-11

--

--

Not Used

12

BK/WH

1551

Ground

13-15

--

--

Not Used

16

TN/WH

5830

Remote Infra Red Signal (-)

Radio C1


Object Number: 1664602  Size: CH

Connector Part Information

  • OEM: 7283-4490-30
  • Service: 88988743
  • Description: 14-Way F (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, 9, 10, 4, 5, 6, 6, 7, 13
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: Pins 2, 3, 9, 10 - See Terminal Repair Kit
  • Core/Insulation Crimp: Pins 4, 5, 6, 6, 7, 13 - P/P
  • Release Tool/Test Probe: J-38125-215/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

TN

1875

Right Front Speaker Output (+)

4

YE

7145

Communication Box Mic Output (+) Signal (UE1 w/U3U)

5

D-GN

7149

Communication Box Mic Output (-) Signal (UE1 w/U3U)

6

WH

1487

Antenna Enable Signal

7

PU/WH

1382

LED Dimming Signal

8

BK/WH

1551

Ground

9

GY

118

Left Front Speaker Output (-)

10

TN/WH

1985

Right Front Speaker Output (-)

11-12

--

--

Not Used

13

D-GN

5060

Low Speed GMLAN Serial Data

14

--

--

Not Used

Radio C2


Object Number: 1566784  Size: CH

Connector Part Information

  • OEM: 7283-9076-30
  • Service: 15136073
  • Description: 16-Way F Kaizen 0.64 Series (BK)

Terminal Part Information

  • Pins: 1, 2, 8, 9, 10, 5, 5, 6, 6, 13, 13, 14, 14
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: Pins 1, 2, 8, 9, 10 - P/P
  • Core/Insulation Crimp: Pins 5, 5, 6, 6, 13, 13, 14, 14 - See Terminal Repair Kit
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Radio C2

Pin

Wire Color

Circuit No.

Function

1

BN

367

Remote Radio Left Audio Signal (+) (U2K)

2

D-GN

368

Remote Radio Right Audio Signal (+) (U2K)

3-4

--

--

Not Used

5

BN

199

Left Rear Speaker Output (+)

6

D-BU

46

Right Rear Speaker Output (+)

7

OG

1406

Remote Playback Device Left Audio Signal

8

OG

5748

Radio Audio Mute Signal (U65)

9

TN

372

Remote Radio Left Audio Signal (-) (U2K)

10

GY

388

Remote Radio Right Audio Signal (-) (U2K)

11-12

--

--

Not Used

13

YE

116

Left Rear Speaker Output (-)

14

L-BU

115

Right Rear Speaker Output (-)

15

L-BU

1405

Remote Playback Device Audio Common Signal

16

--

--

Not Used

Radio C3 (UUC)


Object Number: 1845264  Size: CH

Connector Part Information

  • OEM: 7283-9077-40
  • Service: 89047195
  • Description: 16-Way F Kaizen 0.64 Series (L-GY)

Terminal Part Information

  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Radio C3 (UUC)

Pin

Wire Color

Circuit No.

Function

1

YE

2059

Left Auxiliary Audio Signal

2

WH

2058

Right Auxiliary Audio Signal

3

L-BU

5826

Left DVD Audio Signal (+)

4

WH

5828

Right DVD Audio Signal (+)

5

OG/BK

5831

Remote Infra Red Signal (+)

6

PK/BK

5844

Video Bright Control

7

D-GN

6975

DVD Video Signal (+)

8

PU

2056

Auxiliary Video High Signal

9

BARE

5345

Drain Wire

10

BN/WH

5846

Video Power Mode Signal

11

PU

6979

DVD Audio Common

12

BARE

6980

DVD Drain Wire

13

TN/WH

5830

Remote Infra Red Signal (-)

14

BARE

6976

DVD Video Drain Wire

15

WH/BK

5335

DVD Video Signal (-)

16

BARE

5346

Video Drain Wire

Radio C4 (U3U)


Object Number: 1454407  Size: CH

Connector Part Information

  • OEM: 15394151
  • Service: 89047196
  • Description: 16-Way F Micro 64 (BN)

Terminal Part Information

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

Radio C4 (U3U)

Pin

Wire Color

Circuit No.

Function

1-4

--

--

Not Used

5

D-GN/WH

817

Vehicle Speed Signal (U3U)

6-16

--

--

Not Used

Speaker - Left Front


Object Number: 1282875  Size: CH

Connector Part Information

  • OEM: 12196741
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Faston 2.8 Series (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

Speaker - Left Front

Pin

Wire Color

Circuit No.

Function

1

GY

201

Left Front Speaker Output (+)

2

TN

118

Left Front Speaker Output (-)

Speaker - Left Front (Tweeter)


Object Number: 1282877  Size: CH

Connector Part Information

  • OEM: 626064-0
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Faston 2.8 Series (NA)

Terminal Part Information

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

Speaker - Left Front (Tweeter)

Pin

Wire Color

Circuit No.

Function

1

GY

201

Left Front Speaker Output (+)

2

TN

118

Left Front Speaker Output (-)

Speaker - Left Rear


Object Number: 1282875  Size: CH

Connector Part Information

  • OEM: 12196741
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Faston 2.8 Series (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

Speaker - Left Rear

Pin

Wire Color

Circuit No.

Function

1

YE

199

Left Rear Speaker Output (+)

2

BN

116

Left Rear Speaker Output (-)

Speaker - Right Front


Object Number: 1282875  Size: CH

Connector Part Information

  • OEM: 12196741
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Faston 2.8 Series (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

Speaker - Right Front

Pin

Wire Color

Circuit No.

Function

1

GY

200

Right Front Speaker Output (+)

2

TN

117

Right Front Speaker Output (-)

Speaker - Right Front (Tweeter)


Object Number: 1282877  Size: CH

Connector Part Information

  • OEM: 626064-0
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Faston 2.8 Series (NA)

Terminal Part Information

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

Speaker - Right Front (Tweeter)

Pin

Wire Color

Circuit No.

Function

1

GY

200

Right Front Speaker Output (+)

2

TN

117

Right Front Speaker Output (-)

Speaker - Right Rear


Object Number: 1282875  Size: CH

Connector Part Information

  • OEM: 12196741
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F Faston 2.8 Series (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

Speaker - Right Rear

Pin

Wire Color

Circuit No.

Function

1

YE

46

Right Rear Speaker Output (+)

2

BN

115

Right Rear Speaker Output (-)

Speaker - Subwoofer (U65)


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 (U65)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1794

Subwoofer Speaker Coil 2 Output (-)

B

D-BU/WH

346

Subwoofer Speaker Coil 2 Output (+)

C

L-BU/BK

315

Subwoofer Speaker Coil 1 Output (-)

D

D-GN

1795

Subwoofer Speaker Coil 1 Output (+)

Steering Wheel Control Switch - Right (UK3)


Object Number: 1711016  Size: CH

Connector Part Information

  • OEM: 31068-1010
  • Service: Service by Harness - See Part Catalog
  • Description: 4-Way F HDAC64 SR Housing (BK)

Steering Wheel Control Switch - Right (UK3)

Pin

Wire Color

Circuit No.

Function

1

D-BU

1796

Steering Wheel Controls Signal

2

PU

1375

Remote Radio Control Supply Voltage

3

PU/WH

7005

LED Dimming Signal

4

BK

1450

Ground

Vehicle Communication Interface Module (VCIM) C1 (UE1)


Object Number: 814530  Size: CH

Connector Part Information

  • OEM: 917981-1
  • Service: 15306351
  • Description: 16-Way F .040/.070 Hybrid (WH)

Terminal Part Information

  • Pins: 10, 12, 13, 14, 15
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 1, 2, 3, 6, 11, 7
  • Terminal/Tray: 175266-5/15
  • Core/Insulation Crimp: Pins 1, 2, 3, 6, 11 - J/J
  • Core/Insulation Crimp: Pins 7 - K/K
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)

Vehicle Communication Interface Module (VCIM) C1 (UE1)

Pin

Wire Color

Circuit No.

Function

1

D-GN

5060

Low Speed GMLAN Serial Data

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

BK/WH

1551

Ground

8-9

--

--

Not Used

10

TN/BK

2500

High Speed GMLAN Serial Data Bus+

11

D-GN/WH

2514

Keypad Signal

12

TN

2501

High Speed GMLAN Serial Data Bus-

13

GY/BK

5167

Battery Backup Low Reference

14

RD/WH

5235

Battery Backup Supply Voltage

15

RD/WH

1140

Battery Positive Voltage

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C2 (UE1)


Object Number: 814532  Size: CH

Connector Part Information

  • OEM: 917975-1
  • Service: 15383039
  • Description: 12-Way F .040/.070 Hybrid (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

Vehicle Communication Interface Module (VCIM) C2 (UE1)

Pin

Wire Color

Circuit No.

Function

1

OG

1406

Remote Playback Device Left Audio Signal

2

L-BU

1405

Remote Playback Device Audio Common Signal

3

TN/BK

2500

High Speed GMLAN Serial Data Bus+

4

TN

2501

High Speed GMLAN Serial Data Bus-

5-7

--

--

Not Used

8

BARE

814

Drain Wire

9

GY

655

Cellular Microphone Signal

10

BARE

1489

Drain Wire

11-12

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C3 (UE1 w/U3U)


Object Number: 814531  Size: CH

Connector Part Information

  • OEM: 917983-2
  • Service: 88988722
  • Description: 16-Way M MKII Hybrid (BK)

Terminal Part Information

  • Terminal/Tray: 175266-5/15
  • Core/Insulation Crimp: K/K
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)

Vehicle Communication Interface Module (VCIM) C3 (UE1 w/U3U)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

7154

Communication Box Mic Output (+) Signal

3

--

--

Not Used

4

D-GN

7149

Communication Box Mic Output (-) Signal

5

BARE

813

Drain Wire

6-16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) Battery (UE1)


Object Number: 523630  Size: CH

Connector Part Information

  • OEM: 15326801
  • Service: 15306156
  • Description: 2-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Vehicle Communication Interface Module (VCIM) Battery (UE1)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

5235

Battery Backup Supply Voltage

B

GY/BK

5167

Battery Backup Low Reference

Video Display (UUC)


Object Number: 1711011  Size: CH

Connector Part Information

  • OEM: 7283-9088-30
  • Service: 89047355
  • Description: 10-Way F Kaizen 0.64 Series (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

Video Display (UUC)

Pin

Wire Color

Circuit No.

Function

1

D-GN

6975

DVD Video Signal (+)

2

WH/BK

5335

DVD Video Signal (-)

3-5

--

--

Not Used

6

BK/WH

1551

Ground

7

RD/WH

2340

Battery Positive Voltage

8

WH

1487

Antenna Enable Signal

9

PK/BK

5844

Video Bright Control

10

BN/WH

5846

Video Power Mode Signal