2011 Kia Sorento Trailer Wiring | etrailer Lowest Price Trailer Wiring Guarantee. Installation instructions and lifetime expert support on all purchases of 2011 Kia Sorento Trailer Wiring. Order online at etrailer.com or call 800-298-8924. 2011 Kia Sorento Hitch Wiring | Harnesses, Adapters wwwd››Trailer Hitches›Hitch Wiring›Kia›SorentoKia Sorento 2011, Towing Wiring Harness by Tekonsha®. One-year warranty. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging.