LEDLink Wiring Kits for 6x4 Trailers - Using Roadvision’s new LEDLink™ plug and play system, our trailer wiring kits are a complete DIY solution eliminating the need for any cutting, soldering or joining of trailer wiring. Simply mount the lamps, push in and twist the waterproof LEDLink™ connectors, cable tie the harness to the chassis and you’re done. Complete with everything you need… Plug and play wiring harness, pair of rear combination lamps, licence plate lamp and both 7 pin flat or 7 pin large round trailer plugs. Roadvision LEDLink™ trailer kits are simple to install, deliver a perfect installation every time and protect the entire trailer lighting system from corrosion and water ingress. Installing trailer lamps has never been so easy!