An adapter is an electrical device that allows a connection to be made between a mismatched trailer plug and vehicle socket. It easily plugs in your vehicle's electrical socket and usually requires no additional wiring. This electrical adapter has a built-in tester and is designed to adapt a 7-way RV blade vehicle socket to fit a 4-way flat trailer plug.

Features:

• Adapts a 7-way RV blade vehicle socket to fit 4-way flat trailer plugs
• Simple plug-and-play design eliminates the need for cutting or splicing
• LED tester confirms proper function of vehicle-side wiring connector