I have rechecked with Louisiana DMV and at this time there are no requirements for towing a motor vehicle by a private individual in Louisiana, only tow companies. Trailer rules only apply to trailers per the State.
You are likely to overheat the windings in your alternator. Alternators are not designed to run with a heavy load for extended periods of time. Also the bigger the load you have on your alternator the harder it is to turn and is rough on belts and pulleys and wiring.
I connected our camera to a running light. Headlights on camera on lights off camera off. Power is already at the rear of trailer for this easy to connect. Works for us as I always tow with my headlights on.
Lippert sells a Goosebox. I use a Colibert adapter with no problems. Check the link below it is from Lippert the frame manufacturer so there should be no problems using it.
Another good thing about a vented tailgate is that my stuff now stays in the bed of the truck when towing the fifth wheel. I have lost rubber wheel chocks, wood and other things. Now every thing stays in the truck bed.
I have used RV Cooling Unit Warehouse. Dave was great to work with. Frig cooled great with new unit. Warranty on parts was easy and fast to replace. We had a new frig heater go out after a few months and new was shipped with out question. Instructions were clear and easy to follow in installing new cooling unit.
Our RV frig and freezer does the same when we open it on a hot day. We have learned to just wait a little or pull harder on the doors if we need to get back in it quickly. I think its a good thing I know the seals are good and working.