I need a wing tip nav light assy having a hell of a time trying to fix an inop light. I also dropped the lens (red) and broke it. I will be swapping assy from other side tommrow to make sure it not wiring. I have done all the groundwire stuff its reading 12 volts and ground is ohming good. New bulb no fix. I really hate the light assy on these airplane wish I could replace with Leds but I way too cheap for that.