Trailer Wire Adapter Trailer Wire Adapter; 7-Way Flat Pin to 6-Way Round Adapter w/Electric Brakes to Center [A] Pin of 6-Way [50 pack]; FEATURES: Trailer Wire Adapter The Tow Ready product line incorporates T-One vehicle connectors, ModuLite power modules, electrical adaptors, and an extensive selection of accessories. The T-One connectors require no splicing of wires, are weatherproof and are available for most vehicle fits. The ModuLites virtually eliminate additional electrical draw on a vehicle's taillight circuits and ensure maximum trailer light brightness. Tow Ready is the perfect supplement to any hitch installation. Select a Tow Ready product to make your trailer and tow vehicle electrical connections easy and worry-free.