Hey all,

Just joined the forum looking for advice on re-wiring my trailer.  Has anyone ever done a conversion/install without using a converter??  I have the std. 12v stuff i.e. battery, clearance lights, small dome lights and won't be doing much with that except maybe adding a few more LED clearance lights.  This trailer is already set-up with 2 separate panels (both have 2 - 20A breakers) with a mess of wiring that needs replaced.  Everytime I plug into shore power my house breaker trips even with nothing on in the trailer. The shore power cord looks like a typical 12ga extension cord with a 110 male plug.  There is 1 black wire that is stripped but not connected to a breaker in one panel which may be the cause.  There could also be a thousand other spots that could be causing a short.  Long story short I need some help running a system that can handle the items below and possibly some extra stuff in the future.  I don't want to waste time tracing down what is installed to find the problem, especially since I have no clue what was put in.  Any help would be awesome, I will try to post some pics off my phone here shortly.

What I plan to re-install in 'living qrtrs':
(2) 4' flouresent lights on 1 switch
Enough outlets to power stuff like phone chargers, microwave, tv/vcr and/or laptop, space heater, etc… not all at once though.
circuit for air conditioner
circuit for LP furnace (option to just use a ductless portable system since it's minimal sq. footage)

Shop area needs:
15A compressor outlet
(4) 4' flouresent lights on 1 switch
outlet for stereo system (home style with built in amp and set-up for multiple speakers)
outlets for power tools i.e. drills, saws-all, grinder, etc…  Not running all at once
power for (3) outdoor recessed halogen lights
optional circuit for future air conditioner in shop

I have already lined out things like shore power cords, recessed twist-loc housing, etc… Just have not been able to narrow down a schematic or example of how to set my distribution panel up.  Judging by the list of 'goodies' I would probably have no choice but to run a 50A 120v service.

Ideas???  Thanks for any help