I am not sure if this would work, but wouldn't be easier just tap into puddle lights and it might function as turn signals also???

If someone can find out which wires are for the puddle lights, then we can just tap the wires and no need to open up the mirrors.
https://www.clublexus.com/forums/gs-...iy-thread.html

If anyone willing to try it, let us know if this works or not!!!