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

Cellular Microphone


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BARE

514

Ground

B

GRY

655

Cellular Microphone Signal

OnStar Button Assembly


Object Number: 62439  Size: CH

Connector Part Information

    • 12047886
    • 8-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

2515

Keypad Supply Voltage

B

DK GRN/WHT

2514

Keypad Signal

C-D

--

--

Not Used

E

ORN/BLK

2518

Keypad Ground

F

YEL/BLK

2516

Keypad Green LED Signal

G

BRN/WHT

2517

Keypad Red LED Signal

H

--

--

Not Used

Vehicle Communication Interface Module (VCIM)-C1


Object Number: 697022  Size: CH

Connector Part Information

    • 15383038
    • 16-Way F 040II (WHT)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BRN/WHT

2517

Keypad Red LED Signal

3

YEL/BLK

2516

Keypad Green LED Signal

4

--

--

Not Used

5

ORN/BLK

2518

Keypad Ground

6

LT GRN/BLK

2515

Keypad Supply Voltage

7

BLK/WHT

1851

Ground

8

BLK/WHT

1851

Ground

9-10

--

--

Not Used

11

DK GRN/WHT

2514

Keypad Signal

12-14

--

--

Not Used

15

ORN

3240

Battery Positive Voltage

16

ORN

3240

Battery Positive Voltage

Vehicle Communication Interface Module (VCIM)-C2


Object Number: 697023  Size: CH

Connector Part Information

    • 15383039
    • 12-Way F 040II (WHT)

Pin

Wire Color

Circuit No.

Function

1

PNK/BLK

2062

Cellular Telephone Voice Signal

2

ORN/BLK

2061

Cellular Telephone Low Reference

3-4

--

--

Not Used

5

YEL

1127

Nav Class 2 Serial Data

6-7

--

--

Not Used

8

BARE

1792

Drain Wire

9

GRY

655

Cellular Microphone Signal

10

BARE

514

Ground

11-12

--

--

Not Used