2014 Mazda 6 Wiring, Cables & Connectors at CARiD CARiD offers a variety of replacement wiring harness resulting in excellent performance for your 2014 Mazda 6. The harness is capable to withstand harsh conditions and substances, so it 2014 Mazda 6 Hitch Wiring | Harnesses, Adapters, Connectors Mazda 6 2014, Towing Wiring Harness by CURT®. This provides all you need to connect a trailer to the tow vehicle. Generous length allows plenty of wire. Female end is for tow vehicle, male end for trailer.