The second owner, attempted to turn it into a toy hauler by adding a restroom and sink. Carpentry skills were okay, but myself being a woodworking teacher had to do better. Also all the wiring was on the surface of the trailer wall and an eyesore to look at. Finally the electric was a poorly installed house style sub panel and made me a little nervous.
A toy hauler camper conversion was not in the original plan, but I thought what do I do with an AC in the front. Answer: make it a camper toy hauler! A couple of times a year I find myself going to buddies property to ride ATV and end up sleeping in the back seat of the pickup. Now I have a solution.
After loading the UTV into the trailer, I quickly realized that a 7 wide trailer and a 5 1/2' wide UTV is a tight squeeze. So instead of just restudding and covering the window opening, I checked with my local trailer shop and we ordered and installed an escape door for the drivers side to replace the window. $800 later it works, but that put a dent in the project budget.
Here's what I started with:


