PreWired Adapters are solid onepiece adapters for 6 and 7 Way connectors from a 4 flat connector. Each adapter easily plugs into a 4 pole connector. Complete with a 16 gauge wire. Please note this product does not ship to Pennsylvania. * Used to convert any trailer wiring component, T-One or Taillight Converter with a 4-Flat Trailer End Connector to a 7-Way Round Connector. * Each kit includes 20 ft. of wire