To find the furnace go out side, locate the water heater the door swings down and you pretty much know where the fridge is, continue until you see the next cover it will be smaller and have one opening where the hot air goes out, the cover will have four screws that will be the cabin heater, go inside and see where it is located in relation to the out side, there will be a louvered grill in front of the unit, the heater is never inboard always along one wall, WARNING there is a propane connection so turn the propane OFF before you start working around the heater.
navegator