Fog Light Harness consists of wires covered with a corrugated plastic tube for protection. The kit usually includes an on/off switch, a 40-amp relay, and waterproof connectors. The yellow ring connectors are designed to fit specific halogen or LED lights and typically operate at 12 volts. Car types: Fits most Japanese, Korean, and American cars (such as Toyota, Nissan, Hyundai, Ford, etc.) provided that the headlight connector size is H11, which is the most common size. For sale, new and unused.