GM Service Manual Online
For 1990-2009 cars only
Connector 1: Cellular Microphone
Connector 2: Vehicle Communication Interface Module (VCIM) C1
Connector 3: Vehicle Communication Interface Module (VCIM) C2
Connector 4: Vehicle Communication Interface Module (VCIM) C4

Cellular Microphone


Object Number: 35441  Size: CH

Connector Part Information

  • OEM: 15496024
  • 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

BK

1489

Drain

B

GY

655

Cellular Microphone Signal

Vehicle Communication Interface Module (VCIM) C1


Object Number: 1592588  Size: CH

Connector Part Information

  • OEM: 15431362
  • Service: 15306351
  • Description: 16-Way F 040 Class III Series (WH)

Terminal Part Information

  • Pins: 2, 3, 6, 8, 11, 15
  • Terminal/Tray: 15355438/20
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-12 (BU)

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

851

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: 1592599  Size: CH

Connector Part Information

  • OEM: 15431365
  • Service: 15431366
  • Description: 12-Way F Micro 100A Series (WH)

Terminal Part Information

  • Pins: 1, 2, 8, 9, 10
  • Terminal/Tray: 15355438/20
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-12 (BU)

Vehicle Communication Interface Module (VCIM) C2

Pin

Wire Color

Circuit No.

Function

1

PK/BK

2062

Navigation Mono Audio Signal (+)

2

OG/BK

2061

Navigation Mono Audio Signal (-)

3-7

--

--

Not Used

8

BK

813

Drain

9

GY

655

Cellular Microphone Signal

10

BK

1489

Drain

11-12

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C4


Object Number: 1592605  Size: CH

Connector Part Information

  • OEM: 15431368
  • Service: 88988545
  • Description: 12-Way F (BK)

Terminal Part Information

  • Pins: 1, 2, 3, 8, 9
  • Terminal/Tray: 15355438/20
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-12 (BU)

Vehicle Communication Interface Module (VCIM) C4

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