WELCOME TO MY STORE. 3157 4157 Wiring Harness Connector Socket For Brake Turn Signal Light LED Blubs. This listing features on 2 pieces of brand new 3157 light bulb extension socket connector. To fit: LED Bulbs, Turn Signal Light, Stop Brake Light. 100% Brand new, never used. Compatible with 3157 and 3156 sockets (when use it for 3156, use just …Read more »