if you posted which brand of FR RV you have, i can move your post to the appropriate sub-forum.
posting just a model number isn't enough info.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package