Cellular Communication Connector End Views
Vehicle Communication Unit (VCU) Connector End Views
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | DK GRN/WHT | 965 | Audio Transmit Signal |
| 2 | - | - | Not Used |
| 3 | GRY/BLK | 1798 | Low Reference |
| 4 | ORN | 2240 | Battery Positive Voltage |
| 5 | PPL/WHT | 971 | Ignition On Signal |
| 6 | BRN/WHT | 964 | Audio Return Signal |
| 7-10 | - | - | Not Used |
| 11 | LT BLU/BLK | 970 | Onstar Serial Data (+) |
| 12 | WHT | 969 | Onstar Serial Data (-) |
| 13 | - | - | Not Used |
| 14 | BARE | 966 | Drain Wire |
| 15 | GRY | 967 | Microphone Signal |
| 16-17 | - | - | Not Used |
| 18 | TAN/BLK | 968 | Onstar Serial Data Return |
| 19-23 | - | - | Not Used |
| 24 | DK BLU | 981 | Audio Low Reference |
| 25 | - | - | Not Used |
Vehicle Interface Unit (VIU) C1 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | - | - | Not Used |
| A2 | PPL | 1807 | Class 2 Serial Data |
| A3 | DK GRN | 835 | Entertainment and Comfort Serial Data |
| A4-A5 | - | - | Not Used |
| A6 | BLK/WHT | 372 | Remote Radio Audio Output (-) |
| A7 | DK GRN/WHT | 368 | Remote Radio Right Audio Signal |
| A8 | BRN/WHT | 367 | Remote Radio Left Audio Signal |
| A9 | BARE | 1705 | Drain Wire |
| A10 | DK BLU | 981 | Audio Low Reference |
| A11 | BRN/WHT | 964 | Audio Return Signal |
| A12 | DK GRN/WHT | 965 | Audio Transmit Signal |
| A13 | BARE | 966 | Drain Wire |
| A14 | GRY/BLK | 967 | Microphone Signal |
| A15 | BARE | 1782 | Drain Wire |
| A16 | ORN | 2240 | Battery Positive Voltage |
| B1-B8 | - | - | Not Used |
| B9 | GRY | 655 | Cellular Microphone Signal |
| B10 | BARE | 1705 | Drain Wire |
| B11 | TAN/BLK | 968 | Onstar Serial Data Return |
| B12 | WHT | 969 | Onstar Serial Data (-) |
| B13 | LT BLU/BLK | 970 | Onstar Serial Data (+) |
| B14 | GRY/BLK | 1798 | Low Reference |
| B15 | PPL/WHT | 971 | Ignition On Signal |
| B16 | - | - | Not Used |
Vehicle Interface Unit (VIU) C2 Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| E1 | BLK | 1351 | Ground |
| E2-E3 | - | - | Not Used |
| E4 | DK GRN/WHT | 2514 | Keypad Signal |
| E5 | YEL/BLK | 2516 | Keypad Green LED Signal |
| E6 | LT GRN/BLK | 2515 | Keypad Supply Voltage |
| E7-E10 | - | - | Not Used |
| E11 | BLK | 28 | Horn Relay Control |
| E12-E13 | - | - | Not Used |
| E14 | BLK/WHT | 624 | Headlamp Alarm Signal |
| E15 | - | - | Not Used |
| E16 | ORN | 2240 | Battery Positive Voltage |
| F1 | BLK | 1351 | Ground |
| F2- F8 | - | - | Not Used |
| F9 | BRN/WHT | 2517 | Keypad Red LED Signal |
| F10-F15 | - | - | Not Used |
| F16 | ORN | 2240 | Battery Positive Voltage |