What are the pin configurations for a European style trailer connector?

The pin configurations for a European style trailer connector, also known as a 13-pin connector or ISO 11446 connector, are as follows:
Pin 1: Reversing Light
Pin 2: Rear Fog Light
Pin 3: Ground (Earth)
Pin 4: Right Turn Signal
Pin 5: Left Turn Signal
Pin 6: Brake Lights
Pin 7: Permanent Power Supply (Battery Charging or Interior Lights)
Pin 8: Auxiliary Power Supply (Ignition Switched Power)
Pin 9: Ignition Supply (Key On/Off)
Pin 10: Spare
Pin 11: Spare
Pin 12: Spare
Pin 13: Spare
These pin configurations are standardized across Europe for towing connections on vehicles and trailers. The connector is usually a 13-pin socket on the towing vehicle and a corresponding 13-pin plug on the trailer, ensuring compatibility and proper electrical connections for various lighting and power functions.
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