European-style trailer connectors typically use a standardized color-coding system for the wires to ensure consistency and safety across different trailers and vehicles. The most common color codes for a 7-pin trailer connector, which is widely used in Europe, are as follows:
Yellow - Left turn signal and brake light
Blue - Rear fog light
White - Earth/ground
Green - Right turn signal and brake light
Brown - Tail and running lights
Red - Permanent live power supply (for battery charging and interior trailer functions)
Black - Auxiliary/backup/reverse lights (not always present in all connectors)
Please note that while these color codes are commonly used in Europe, there may be some variations or regional differences in specific applications. It's crucial to refer to the wiring diagram or instructions provided with your trailer connector and consult the vehicle's manual to ensure proper wiring and safe operation. Additionally, always use the appropriate connectors and connectors designed for your specific trailer and vehicle to ensure a secure and reliable connection.
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