I'm not sure about the 34B floor plan but on a friends 2004 Pace the deck-mount converter/charger was under the washer/dryer, which was between the mid-bath and the kitchen and accessible (barely) from either side. I've heard some have it under the fridge, but don't know that for a fact.
Former owner of 2004 American Tradition and several other RVs
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC