Quality PreWired Car Wiring Harness Socket Construction: Built with a durable plastic plug and copper wire, this wiring harness socket offers strength, water resistance, and temperature tolerance. Copper wiring ensures conductivity, helping maintain reliable performance over time. Designed for long service life and resistance to cracking or damage. Broad Compatibility: Fits a wide range of automotive LED bulb models, including 3157, 3057, 3155, 3357, 3457, 3757, 4057, 4114, 4157, 3156, 3056, 3456, and 4156. Please verify your bulb socket model before to ensure proper fitment. Versatile Applications: replacement or solution for threetap 3157 socket plugs. Ideal for turn signal lights, daytime running lights (DRL), brake lights, and tail light installations. Effectively restores functionality where old or damaged sockets fail to hold bulbs securely. Quick and Easy Installation: Designed for a plugandplay experience. Simply remove the old socket, connect the harness to the matching bulb, and you are ready to go. For certain bulb models such as 3156, 3056, 3456, and 4156, only the red and black wires are needed during installation. Use Scenarios: 1. faulty or corroded turn signal sockets to restore proper flashing and brightness. 2. brake or tail light connections that have caused intermittent or complete lighting failure. 3. Install LED bulbs with a secure, waterproof, and temperatureresistant socket for improved durability in all weather conditions. This prewired wiring harness socket is engineered for reliability, matching original specifications while providing dependable electrical connectivity for multiple automotive lighting systems.