| Connector 1: | Cellular Microphone |
| Connector 2: | OnStar Button Assembly |
| Connector 3: | Vehicle Communication Unit (VCU) C1 |
| Connector 4: | Vehicle Communication Unit (VCU) C2 |
Cellular Microphone
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
A | BARE | 1705 | Drain Wire |
B | GY | 655 | Cellular Microphone Signal |
OnStar Button Assembly
Connector Part Information
|
Terminal Part Information
|
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 Unit (VCU) C1
Connector Part Information
|
Terminal Part Information
|
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 | -- | -- | Not Used |
8 | BK/WH | 351 | Ground |
9-10 | -- | -- | Not Used |
11 | D-GN/WH | 2514 | Keypad Signal |
12-14 | -- | -- | Not Used |
15 | RD/WH | 2340 | Battery Positive Voltage |
16 | -- | -- | Not Used |
Vehicle Communication Unit (VCU) C2
Connector Part Information
|
Terminal Part Information
|
Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
1 | OG/BK | 1406 | Remote Playback Device Left Audio Signal |
2 | L-BU | 1405 | Remote Playback Device Audio Common Signal |
3-5 | -- | -- | Not Used |
6 | L-GN | 2271 | 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 |
