| Number | X-pin, color | Description |
|---|---|---|
| X1789 | 3-pin, Natural | Connector Global locking switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Close signal | General module |
| 2 | E | Nighttime illumination signal | Nighttime illumination splice |
| 3 | M | Ground | Ground splice |