Does a 1990 rockwood class c motor home on the the Ford E350 chassis have an internal tank fuel pump?

A 1990 Rockwood Class C motorhome built on the Ford E350 chassis typically does not have an internal fuel pump in the tank. Most models from that era use a mechanical fuel pump mounted on the engine rather than an electric pump inside the tank. However, it's always best to check the specific vehicle's manual or consult with a mechanic for confirmation, as modifications or variations may exist.