Three questions that I need some help on. First... the master toggle switch that is over head on most cubs can be flipped either on main or aux. Which one should you use and when? Second question..... I have no power when I flip the toggle switch to the main... I get nothing........this just started a couple of weeks ago. Can someone tell me where I can start looking to fix this and three... is it hazard to fly with out both working? Thanks teeweed