Make the wiring easier-plug and play, convert the car’s 4-pin flat socket into a trailer 7-pin blade circular socket, synchronize the trailer signal lights, and customize the plug-in system to connect the trailer. The plug and play is very convenient, which solves the problem of each renewal. Trouble with wiring.High-quality manufacturing-Pure copper is used as the core, which greatly improves the conductivity. Use high-quality PVC shell, wear-resistant, corrosion-resistant, effective waterproof, and long service life.Provides additional protection-Spring-loaded cover is used, which is highly dust-proof to avoid damage to the external environment when the adapter is not in use.Simple installation-equipped with mounting brackets, screws and nuts, you only need to find a suitable location to install and tighten the nuts to successfully install.Wide range of applications-suitable for all tractors that do not require electric brakes, including trailers, semi-trailers, RVs, etc.Product