Abstract: A directional trailer turning signaling device for use on a vehicle having a trailer attached thereto comprises a frame assembly mounted on the vehicle's trailer hitch, a contact arm in pivotable contact with the trailer's tongue attached to the hitch, a sensing means attached to the frame assembly and connected to the contact arm to detect the degree of its rotation, and an indication gauge mounted in the vehicle near the driver and connected to the sensing means for providing visual indication of the trailer position behind the vehicle.