GM Service Manual Online
For 1990-2009 cars only
Table 1: Cellular Microphone
Table 2: Vehicle Communication Interface Module (VCIM) C1
Table 3: Vehicle Communication Interface Module (VCIM) C2
Table 4: Vehicle Communication Interface Module (VCIM) C3
Table 5: Vehicle Communication Interface Module (VCIM) C4

Cellular Microphone


Object Number: 333035  Size: CH

Connector Part Information

    • OEM: 12047781
    • Service: 12101864
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BARE

1705

Drain

B

GY

655

Cellular Microphone Signal

C

RD/WH

140

Battery Positive Voltage

Vehicle Communication Interface Module (VCIM) C1


Object Number: 814530  Size: CH

Connector Part Information

    • OEM: 917981-1
    • Service: 88952811
    • 16-Way F KII Hybrid (WH)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BU/WH

2517

Keypad Red LED

3

BK/YE

2516

Keypad Green LED

4-5

--

--

Not Used

6

BK/GN

2515

Keypad Supply Voltage

7

BARE

--

Drain

8

BK/WH

651

Signal Ground

9-10

--

--

Not Used

11

BK/BU

2514

Keypad Signal

12-14

--

--

Not Used

15

RD/WH

140

Battery Positive Voltage

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C2


Object Number: 814532  Size: CH

Connector Part Information

    • OEM: 917975-1
    • Service: 88952464
    • 12-Way F KII Hybrid (WH)

Pin

Wire Color

Circuit No.

Function

1

OG/BK

1406

Remote Tape Player Left Audio Signal

2

L-BU

1405

Remote Tape Player Audio Communication Signal

3-5

--

--

Not Used

6

L-GN

2271

Class 2 Serial Data

7

--

--

Not Used

8

BARE

2012

Right Front Audio Drain Wire

9

GY

655

Cellular Telephone Microphone Signal (OnStar)

10

BARE

1705

Drain Wire (OnStar)

11-12

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C3


Object Number: 814530  Size: CH

Connector Part Information

    • OEM: 917983-2
    • Service: 88952812
    • 16-Way F KII Hybrid (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PK

5149

Voice Recognition Audio Signal

3

--

--

Not Used

4

PK/BK

5152

Voice Recognition Audio Low Reference

5

BARE

1782

Drain

6-16

--

--

Not Used

Vehicle Communication Interface Module (VCIM) C4


Object Number: 814532  Size: CH

Connector Part Information

    • OEM: 15398939
    • Service: 88953373
    • 12-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

TN/BK

2500

High Speed GMLAN Serial Data (+) (1)

3

TN

2501

High Speed GMLAN Serial Data (-) (1)

4-7

--

--

Not Used

8

TN/BK

2500

High Speed GMLAN Serial Data (+) (1)

9

TN

2501

High Speed GMLAN Serial Data (-) (1)

10-12

--

--

Not Used