You did not say what brand/model/year your camper is, nor what kind of solar system you have. However, YouTube has everything.
A very simple search on YouTube.com for "electrical systems in RVs" returned this:
Click hereRefine the search in YouTube use the hourglass by putting in your make-model-year of RV, pertinent info regarding anything you may know about the electric system, solar panels, anything, and you'll get more videos than you can imagine that will walk you through absolutely everything. Weed past the obvious not related videos, and some you watch may not have relevance at all. But, YouTube is your friend.
