OK. I think I have a better (yet weak) grasp of my setup based on your explanation.
I have two HDX screens, front and back, each with its own battery.
I have: Dynon EMS, ADAHARS, ARINC, SV Hub, XPNDR, ADSB, MAG, Heated Pitot and AOA, Tray and the SV Net cables
I have a Garmin GNS430W, a...