CURT 55774 - DUAL-OUTPUT 7 & 4-WAY CONNECTORCURT DUAL OUTPUT 7 & 4 WAY CONNECTOR (PLUGS INTO USCAR) Dual Output 7 & 4 Way Connector (Plugs into USCAR) Plugs into USCAR socket to provide 4 way and 7 way trailer wiring connectors Fits USCAR equipped vehicles with factory tow plugs only Simple plug and play design eliminates the need for cutting or splicing 4 way flat output connects tail lights, brake lights and turn signals 7 way RV blade socket adds reverse lights, electric brakes and auxiliary