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Reliable Towing Connection – This 13 pin trailer plug meets CE standards, designed for 12V systems in caravans, trucks, and trailers. With corrosion-resistant brass pins and rugged nylon housing (118x57mm), it ensures stable signal transmission for brake lights, indicators, and fog lamps. IP-Rated Weatherproof Construction – Engineered for all-terrain use, the trailer plug sump plug features sealed joints and hydrophobic nylon to prevent water ingress. Survives mud, rain, and road salt – ideal for long-haul logistics or off-road caravan adventures. Connect your 13 pin trailer plug in minutes using standard crimp connectors – no specialist tools needed for DIY towbar installations. Universal Fit for Commercial & Leisure Use – Replace damaged trailer plugs on horseboxes, boat trailers, or agricultural machinery. Compact 118mm design clears bumper obstructions. High-Conductivity Copper Contacts – Low-resistance brass pins (0.5mm² to 2.5mm² wire compatible) maintain 12V circuit integrity across 13 functions. Prevents voltage drops during simultaneous light operations, critical for road safety inspections.