ISO 1724 is an international standard that specifies the requirements for 7-pin connectors of type 12 N. These connectors are used for the electrical connection between towing vehicles and trailers with a nominal voltage of 12 volts. The standard defines the dimensions, the assignment of the contacts (pins), and the technical requirements for these plugs and sockets. By following these specifications, the interchangeability and reliability of the electrical connections are ensured.
Important points of ISO 1724:
- Standard: ISO 1724
- Voltage: 12 volts
- Usage: For basic lighting systems such as indicators, brake lights, rear lights, and fog lights.
- Purpose: Ensures a standardized and reliable electrical connection between the towing vehicle and the trailer.
Pin configuration and functions:
- Left turn signal (yellow): Controls the operation of the trailer's left turn signal.
- Rear fog light (blue): Controls the rear fog light of the trailer.
- Ground (white): Serves as the common ground connection.
- Right turn signal (green): Controls the operation of the trailer's right turn signal.
- Right rear light (brown): Controls the operation of the trailer's right rear lights.
- Brake lights (red): Controls the brake lights of the trailer.
- Left tail light (black): Controls the left tail lights and license plate lighting of the trailer.