Hopkins 47345 4 Wire Flat Adapter Easily connect your vehicle's 7-blade connector to a trailer with a 4-flat pin setup using this universal adapter. •No rewiring required—just plug in and get towing in under a minute. •Built-in LED indicators help troubleshoot connection issues quickly. •Designed for compatibility with any vehicle featuring a 7-blade connector, this durable, weatherproof adapter is constructed with impact- and corrosion-resistant materials. •A dust flap protects connectors from grime and water when not in use, and the snug fit ensures secure connections even on rough roads or in harsh weather.