Using .063 I made a couple L brackets, drilled a #10 hole in each and temporally secured it to the APU connector. I cut two 3/4" angle brackets to secure the L brackets to the base. The base will be screwed to angle pieces attached in the fuselage. Using the same .063, I made a bracket to support the APU solenoid. When it is all primed and installed, I will add some cushion clamps to better route/secure the wiring.