leveling systems

I have a 2012 Crossroad’s Sunset Reserve 31BH my front leveling jacks but my back ones don’t is there a breaker or a fuse that I can check if so where can I find them. Any other ideas it would be appreciated.

I was wondering if anyone on the forum has used or has personal experience with the Anderson Hitches Camper Level System. I ran across them while looking for RV levelers and they seem to be the end all for leveling campers from single axle to Class A. No system is perfect and I see where there...