OK, so I am trying to figure out which starter switch is the newest one. Is it the one that came with the full plan package or the one that is listed in the 737 build guide. I bought parts for the one in the full plan come to find out that the switch in the 737 build guide might be newer. There is no version number or date to compare the two. Also the picture in the build guide. specifically pic 06 shows a picture of the baseplate not the knob. This is for Karl's information if you are reading this Karl.