Made some progress on my Model IV. Installed wires to the tail and through the vertical stab so I could cover. The wires might feed a strobe on the top of the tail for visibility. Then again might not but with the wire in I have the options open. Another wire goes to the back that might feed trim servos. Hard to say. My current plane I have lights in the wingtips that have been there for 6 yrs and never hooked up so who knows but I like to keep my options open.