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: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BARE

514

Ground

B

GY

655

Cellular Microphone Signal

OnStar Button Assembly


Object Number: 62439  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

2515

Keypad Supply Voltage

B

D-GN/WH

2514

Keypad Signal

C-D

--

--

Not Used

E

OG/BK

2518

Keypad Ground

F

YE/BK

2516

Keypad Green LED Signal

G

BN/WH

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 (WH)

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

--

--

Not Used

5

OG/BK

2518

Keypad Ground

6

L-GN/BK

2515

Keypad Supply Voltage

7

BK/WH

1851

Ground

8

BK/WH

1851

Ground

9-10

--

--

Not Used

11

D-GN/WH

2514

Keypad Signal

12-14

--

--

Not Used

15

OG

3240

Battery Positive Voltage

16

OG

3240

Battery Positive Voltage

Vehicle Communication Interface Module (VCIM)-C2


Object Number: 697023  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

PK/BK

2062

Cellular Telephone Voice Signal

2

OG/BK

2061

Cellular Telephone Low Reference

3-4

--

--

Not Used

5

YE

1127

Trip Computer/Nav Class 2 Serial Data

6-7

--

--

Not Used

8

BARE

1792

Drain Wire

9

GY

655

Cellular Microphone Signal

10

BARE

514

Ground

11-12

--

--

Not Used