CURT 55515 - Replacement OE 4-Way Flat Socket (Plugs into USCAR)Replacement OE 4 Way Flat Socket (Plugs into USCAR) Replacement OE 4 Way Flat Socket (Plugs into USCAR) Plugs into USCAR socket to provide 4 way flat trailer wiring connector Simple plug and play design eliminates the need for cutting or splicing 4 way flat output connects tail lights, brake lights and turn signals Dust cover included to keep connector clean when not in use Slit loom keeps wires contained and well protected Backed by a limited one