Added additional information to the electrical diagram including what type of termination is required on the end of each wire, wire sizes, part numbers, Sonex designations, etc. Basically everything I could think of to have all relevant info in one place.
Made a shopping list for CPC connector components. These would be used to pre-wire the panel with a single connector for ease of removal and installation. A single 16-pin connector should be enough including some extra holes for future expansion.