2019 Jeep Wrangler JL Accessories - storer This OEM Tow Vehicle Wiring Harness replacement part was specifically designed for your 2019 Jeep Wrangler JL. It goes through rigorous testing to assure peak performance and safety while maintaining strict FCA quality requirements. 2018 Jeep Wrangler JL Accessories - storer Trailer Tow Wiring Harness is designed for vehicles sold in the U.S., Canada or Mexico. Harness includes a seven/four-way connector to enable trailer stop, turn, reverse, park lights and brake circuit to IP and B+ circuit. Kit includes harness, module, tie straps, connector, and loose in-line connector. Fits Jeep Wrangler (JL).