GM Service Manual Online
For 1990-2009 cars only
Connector 1: Audio Amplifier C1 (UZ6)
Connector 2: Audio Amplifier C2 (UZ6)
Connector 3: Audio Amplifier C3 (UZ6)
Connector 4: Digital Radio Receiver (U2K)
Connector 5: Radio C1
Connector 6: Radio C2
Connector 7: Speaker - Left Front Door
Connector 8: Speaker - Left Front Door Tweeter (UZ6)
Connector 9: Speaker - Left Rear
Connector 10: Speaker - Right Front Door
Connector 11: Speaker - Right Front Door Tweeter (UZ6)
Connector 12: Speaker - Right Rear
Connector 13: Vehicle Communication Interface Module (VCIM) C1
Connector 14: Vehicle Communication Interface Module (VCIM) C2

Audio Amplifier C1 (UZ6)


Object Number: 1566782  Size: CH

Connector Part Information

  • OEM: 15134093
  • Service: 88988652
  • Description: 8-Way F Receptacle 2.8 Unsealed (BK)

Terminal Part Information

  • Pins: 3, 7
  • Terminal/Tray: 8100-4443/22
  • Core/Insulation Crimp: E/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 C1 (UZ6)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

PK

314

Radio On Signal

4

OG

1240

Battery Positive Voltage

5-6

--

--

Not Used

7

L-GN

1011

Amplifier Mute Signal

8

BK

750

Ground

Audio Amplifier C2 (UZ6)


Object Number: 1566781  Size: CH

Connector Part Information

  • OEM: 15134091
  • Service: 15134091
  • Description: 16-Way F Receptacle 1.5 Unsealed (BK)

Terminal Part Information

  • Pins: 2, 3, 6, 7, 10, 11, 14, 15
  • Terminal/Tray: 8240-0128/22
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Audio Amplifier C2 (UZ6)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

D-BU

1857

Left Front Speaker Output (-)

3

D-BU/WH

346

Left Subwoofer Speaker Output (+)

4-5

--

--

Not Used

6

OG

1853

Right Front Speaker Output (-)

7

D-GN

1795

Right Subwoofer Speaker Output (+)

8-9

--

--

Not Used

10

L-BU

1957

Left Front Speaker Output (+)

11

L-GN/BK

1794

Left Subwoofer Speaker Output (-)

12-13

--

--

Not Used

14

D-GN

1953

Right Front Speaker Output (+)

15

L-BU/BK

315

Right Subwoofer Speaker Output (-)

16

--

--

Not Used

Audio Amplifier C3 (UZ6)


Object Number: 1566784  Size: CH

Connector Part Information

  • OEM: 15136073
  • Service: 15394150
  • Description: 16-Way F 64 Series Unsealed (BK)

Terminal Part Information

  • Pins: 1-4, 9, 10, 11, 12
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Audio Amplifier C3 (UZ6)

Pin

Wire Color

Circuit No.

Function

1

TN

201

Left Front Speaker Output (+)

2

L-GN

200

Right Front Speaker Output (+)

3

BN

199

Left Rear Speaker Output (+)

4

D-BU

46

Right Rear Speaker Output (+)

5-8

--

--

Not Used

9

GY

118

Left Front Speaker Output (-)

10

D-GN

117

Right Front Speaker Output (-)

11

YE

116

Left Rear Speaker Output (-)

12

L-BU

115

Right Rear Speaker Output (-)

13-16

--

--

Not Used

Digital Radio Receiver (U2K)


Object Number: 850856  Size: CH

Connector Part Information

  • OEM: 15394150
  • Service: See Catalog
  • Description: 16-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Pins: 2, 3, 5, 9-11, 16
  • 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 GM LAN Serial Data

6-8

--

--

Not Used

9

BK/WH

751

Ground

10

BK/WH

372

Audio Common

11

BARE

814

Drain Wire

12-15

--

--

Not Used

16

OG

1340

Battery Positive Voltage

Radio C1


Object Number: 1664602  Size: CH

Connector Part Information

  • OEM: 7283-4490-30
  • Service: See Catalog
  • 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, 4-7, 9, 10, 14
  • 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

OG

1140

Battery Positive Voltage

2

GY

8

Instrument Panel Lamps Supply Voltage

3

--

--

Not Used

4

D-GN

117

Right Front Speaker Output (-)

5

L-GN

200

Right Front Speaker Output (+)

6

GY

118

Left Front Speaker Output (-)

7

TN

201

Left Front Speaker Output (+)

8

BK/WH

151

Ground

9

D-GN

5060

Low Speed GMLAN Serial Data

10

D-GN

5060

Low Speed GMLAN Serial Data

11-13

--

--

Not Used

14

YE

343

Accessory Voltage

Radio C2


Object Number: 1664490  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: 1-10, 12, 15, 16
  • 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

2

D-GN/WH

368

Right Audio Signal

3

PK

314

Radio On Signal

4

D-BU

46

Right Rear Speaker Output (+)

5

L-BU

115

Right Rear Speaker Output (-)

6

BN

199

Left Rear Speaker Output (+)

7

YE

116

Left Rear Speaker Output (-)

8

PK/BK

2062

Remote Radio Left Audio Signal (UE1)

9

BK/WH

372

Audio Common

10

YE/BK

693

Cellular Telephone Mute Signal (UE1)

11

--

--

Not Used

12

BN

9

Park Lamp Supply Voltage

13-14

--

--

Not Used

15

L-GN

1011

Amplifier Mute Signal

16

OG-BK

2061

Remote Radio Audio Output (-) (UE1)

Speaker - Left Front Door


Object Number: 280768  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12047767/2 (U79/UX7)
  • Terminal/Tray: 12064971/5 (UZ6)
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Speaker - Left Front Door

Pin

Wire Color

Circuit No.

Function

A

L-BU

1957

Left Front Midrange Speaker Output (-)

B

D-BU

1857

Left Front Midrange Speaker Output (+)

Speaker - Left Front Door Tweeter (UZ6)


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

Speaker - Left Front Door Tweeter (UZ6)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1957

Left Front Midrange Speaker Output (-)

B

D-BU

1857

Left Front Midrange Speaker Output (+)

Speaker - Left Rear


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: 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

A

YE

116

Left Rear Speaker Output (-) (US8 w/U79 or UX7)

L-GN/BK

1794

Left Subwoofer Speaker Output (-) (UZ6)

B

BN

199

Left Rear Speaker Output (+) (US8 w/U79 or UX7)

D-BU/WH

346

Left Subwoofer Speaker Output (+) (UZ6)

Speaker - Right Front Door


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

Speaker - Right Front Door

Pin

Wire Color

Circuit No.

Function

A

D-GN

117

Right Front Speaker Output (-) (US8 w/U79 or UX7)

1953

Right Front Midrange Speaker Output (-) (UZ6)

B

L-GN

200

Right Front Speaker Output (+) (US8 w/U79 or UX7)

OG

1853

Right Front Midrange Speaker Output (+) (UZ6)

Speaker - Right Front Door Tweeter (UZ6)


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

Speaker - Right Front Door Tweeter (UZ6)

Pin

Wire Color

Circuit No.

Function

A

D-GN

1953

Right Front Midrange Speaker Output (-)

B

OG

1853

Right Front Midrange Speaker Output (+)

Speaker - Right Rear


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: 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

A

L-BU

115

Right Rear Speaker Output (-) (US8 w/U79 or UX7)

L-BU/BK

315

Right Subwoofer Speaker Output (-) (UZ6)

B

D-BU

46

Right Rear Speaker Output (+) (US8 w/U79 or UX7)

D-GN

1795

Right Subwoofer Speaker Output (+) (UZ6)

Vehicle Communication Interface Module (VCIM) C1


Object Number: 814530  Size: CH

Connector Part Information

  • OEM: 917981-1
  • Service: 15306351
  • Description: 16-Way M MKII Hybrid (WH)

Terminal Part Information

  • Pins: 2, 3, 6, 11, 15, 8
  • Terminal/Tray: 175266-5/15
  • Core/Insulation Crimp: Pins 2, 3, 6, 11, 15 - J/J
  • Core/Insulation Crimp: Pins 8 (U2K) - J/J
  • Core/Insulation Crimp: Pins 8 (w/o U2K) - K/K
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)

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

OG

1340

Battery Positive Voltage

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C2


Object Number: 814532  Size: CH

Connector Part Information

  • OEM: 917975-1
  • Service: 88952886
  • Description: 12-Way M MKII Hybrid (WH)

Terminal Part Information

  • Pins: 1, 2, 6, 9, 12, 8, 10
  • Terminal/Tray: 175266-5/15
  • Core/Insulation Crimp: Pins 1, 2, 6, 9, 12 - J/J
  • Core/Insulation Crimp: Pins 8, 10 - K/K
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)

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

3-5

--

--

Not Used

6

PU

1807

Class 2 Serial Data

7

--

--

Not Used

8

BARE

814

Drain Wire

9

GY

655

Cellular Microphone Signal

10

D-GN

654

Cellular Telephone Microphone Low Reference

11

--

--

Not Used

12

YE/BK

693

Cellular Telephone Mute Signal