Product Details: The Grote Pigtail is the perfect solution for your trailer wiring needs. This dual-function pigtail is designed to work with both S/T/T lamps and blunt cut wires and features factory-molded plugs for an ultra-blue-seal trailer wiring system. The slim-line male bullet terminal on the connector side ensures a secure connection and easy installation. FleetPride is your First Click in Heavy Duty®.