Shop Nilight 4 PIN DT Connector Kit 3 Sets Size 16 Solid Contacts Waterproof Male Female Terminal for 14-20 AWG DT Series Connector Car Truck Motorcycle Off-Road Vehicles Boat in high quality, support 2 years warranty. DT connectors are by far the most popular connectors used in many automotive, industrial and racing applications. Widely used in truck, car, motorcycle, boat maintenance and DIY projects and other fields.