Curt 52106 For 23-C F250/F350 w/o LED Taillights Custom Towed RV Wiring Harness

Connects a towed vehicle to an RV using a standard 4-way flat trailer plug Simple plug-and-play design eliminates the need for cutting or splicing Integrated block diodes isolate sensitive vehicle electronics from RV signals Uses towed vehicle's existing taillights, brake lights and turn signals