Shop Nilight 3 Pin DT Connectors 16AWG 6 Kits Male and Female Electrical Connector Waterproof Plug and Play w/Heat Shrink Butt Terminals for Automotive Cars Truck Motorcycle Marine Boats 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.