This item is brand new 3156/3157 wiring harness with pre-wired sockets.
It is perfect for adding extra turn signal lights/brake lights or replacing the stock ones.
If you are using it for the single filament 3156,you just need to use the red and green wires
and leave the third wire un-used.
Features
Compatible Bulbs: 3157/3057/3155/3357/3457/3757/4057/4157/W2.5X16Q
Pre-Wired socket for Easy Plug and Play Installation
Nylon material,high heat resistant
High efficient copper wiring
Please double check the pictures above to make sure the adapter
is the same as your stock to ensure proper fitting.