Just replace the stock bulb and turn it into a flowing turn signal. Easy coupler on connection Simply reverse the direction of the socket to return to normal flashing. It also has a built-in white LED, so it can be used as daylight etc. The white light requires a separate connection to a separate position or accessory power supply. When lit white, it does not comply with safety standards and cannot be used on public roads. Compatible models: Alphard 30 Series Vellfire Early 80 Series Noah Esquire Late Period.