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. ADAPTER TO CONNECT 7 BLADE TO 4 FLAT This adapter prevents the need to rewire a vehicle or trailer when the connector styles do not match. Simply plugin and start towing. JUST PLUG IN AND START USING Get your trailer turn and brake lights working in under a minute. Built in LED indicators can help you troubleshoot any connection issues. COMPATIBLE WITH ANY VEHICLE WITH 7 BLADE CONNECTOR Universal compatibility with any vehicle model and brand that has a 7 blade connector. BUILT TO LAST The adapter is weatherproof and made of impact and corrosion resistant materials. Also includes a dust flap to protect connectors from water and grime when the trailer isnt in use. TIGHT FIT TO PREVENT ACCIDENTAL DISCONNECTIONS Both the vehicle and trailer adapters are designed for a snug fit, ensuring that neither will disconnect even in rough weather or bumpy roads.