What kind of insanity has incorporated a dash switch to isolate chassis function. For that matter, please attempt to convince me a dash mounted hotel switch has any function other than failing.
And as a professional observation...
Today's recreational vehicles are a hundred times more likely to suffer a disabling event in a non essential system, than a rig from 30 years ago. Is this stupid, or what? Buy something for relaxation and recreation then suffer a heart attack paying for repairs to non essential systems that make "RVing easier". The non essential labor saving convenience that ruins a vacation. Sigmund Freud would have been in ecstasy analyzing this one...
