Originally Posted by
efwd
Justin, you must have figured out something that I wasn't able to. Back when I installed mine, I noticed that my 912iS was not able to be wired into the VPX. When I called John at the factory he said (paraphrasing) that is why we don't use the VPX. I have had a complete panel failure when the connection on the back of my avionics switch came loose. My engine continues to run even when I shut down the panel. I turn off my master power switch and avionics entirely and the engine runs without a hickup. The only means of shutting my engine down is to starve it of fuel or shut down both lanes. Go figure. My fuel pumps aren't on the VPX either.