The product is a 4pin Connector Pigtail specifically designed for 2014-2019 Cadillac CTS and 2013-2017 XTS vehicles. It is a wiring pigtail with a 4-pin socket type and 4 wire quantity, made with black color and durable high heat resistant features. The connector is a direct replacement part manufactured with 18 AWG wire gauge, suitable for Xenon bulb type lighting technology. It is a reliable solution for repairing fog light 4 lead connector wire harness issues, providing a long lifespan for the vehicle's lighting system.