GM Service Manual Online
For 1990-2009 cars only
Table 1: Inside Rearview Mirror
Table 2: Vehicle Communication Interface Module (VCIM), C1
Table 3: Vehicle Communication Interface Module (VCIM), C2

Inside Rearview Mirror


Object Number: 872580  Size: CH

Connector Part Information

    • 917981-2
    • 16-Way F AMP Multilock 040/070 Hybrid (BK)

Pin

Wire Color

Circuit Number

Function

1

--

--

Not Used

2

BARE

1705

Drain Wire

3-7

--

--

Not Used

8

BK

750

Ground

9

--

--

Not Used

10

GY

655

Cellular Microphone Signal

11

D-GN/WH

2514

Keypad Signal

12

L-GN/BK

2515

Keypad Supply Voltage

13

--

--

Not Used

14

YE/BK

2516

Keypad Green LED Signal

15

BN/WH

2517

Keypad Red LED Signal

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM), C1


Object Number: 814530  Size: CH

Connector Part Information

    • 917981-1
    • 16-Way M AMP MKII Hybrid (WH)

Pin

Wire Color

Circuit Number

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

351

Ground

9-10

--

--

Not Used

11

D-GN/WH

2514

Keypad Signal

12-14

--

--

Not Used

15

OG

2340

Battery Positive Voltage

16

--

--

Not Used

Vehicle Communication Interface Module (VCIM), C2


Object Number: 814532  Size: CH

Connector Part Information

    • 917975-1
    • 12-Way M AMP MKII Hybrid (WH)

Pin

Wire Color

Circuit Number

Function

1

OG/BK

1406

Left Audio Signal (+)

2

L-BU

1405

Audio Common Signal

3-5

--

--

Not Used

6

L-GN

2271

ADG Class 2 Serial Data

7

--

--

Not Used

8

BARE

2012

Drain Wire

9

GY

655

Cellular Microphone Signal

10

BARE

1705

Drain Wire

11-12

--

--

Not Used