Hey Bob, I've got your optical kill switch in my plane and I'm learning a few things as I go. One thing is that I can only check my ignition battery voltage with the kill switch on. This is fine, assuming I do have it wired correctly. My question is, do I have to bother with turning the charge switch that is mounted on the plane OFF after I'm done flying? It doesn't appear that there is any power coming from the ignition battery with the kill switch in the off position. I hope you understand what I'm saying. The optical kill is OFF and the original charge switch is ON. Is the battery connected to anything like this? I love your stuff,

Todd