3156 3157 Wiring Harness Sockets For LED Bulbs, Turn Signal Lights, Brake Lights

• 2 pieces 3156/3157 Nylon Heavy Duty Wiring Harness w/ Sockets
• Compatible Bulbs: 3157 3057 3155 3357 3457 3757 4057 4114 4157 3156 3056 3456 4156
• Pre-Wired Socket For Easy Plug-N-Play Installation
• Heavy duty, High efficient, Heat resistant, Never melt

This page features one pair (2 pieces) brand new 3156/3157 wiring harness with pre-wired sockets. It is perfect for adding LED or extra turn signal lights, brake lights, backup reverse lights, daytime lights or replacing the stock ones.

Compatible with the following bulb size:

Single Filament 3156: 3056 3456 4156
Double Filament 3157: 3057 3155 3357 3457 3757 4057 4157

Note: Please double check the pictures above to make sure the adapter is the same as your stock to ensure proper fitting.

Please visit Relay wiring harness, adapter and LED flasher FAQ/tech support for more detail.