2019 Ford Ranger T-One Vehicle Wiring Harness with 7-Way 2019 Ford Ranger - T-One Vehicle Wiring Harness with 7-Way Trailer Connector. Quickly and easily install a 7-way, RV-style trailer connector on your Ford Ranger with this custom wiring harness. T-One connector plugs into existing tow connector - no cutting, splicing, or tapping required. Features: 2019 Ford Ranger Vehicle Tow Bar Wiring | etrailer Fastest shipping available and a lowest price 2019 Ford Ranger vehicle tow bar wiring guarantee. Expert lifetime technical support on all purchases. Complete 2019 Ford Ranger Vehicle Tow Bar Wiring installation instructions and customer reviews. Call 800-298-8924 to place your order or order online at etrailer.