This is a brand new part from EIS that is must for every Bus that having problem with there turn signal switch. This is just the electrical part of the switch which you can change and keep your original housing, we also sell complete unit please see on line. This is exact wiring colors of the switch that came with the car so easy plug and play type in few minutes, we also include the 2 special screws as you see in the picture to mount the switch to the housing.