Marine navigation light connectors use weatherproof 2-pin or 3-pin connectors for red port green starboard and white stern masthead anchor lights required by COLREGS for vessels underway at night.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | 12V | 12V supply to light | PWR |
| 2 | GND | Ground return | GND |
| 3 | DIM | Optional dimming control | I/O |
Marine navigation light connectors use weatherproof 2-pin or 3-pin connectors for red port green starboard and white stern masthead anchor lights required by COLREGS for vessels underway at night.