Reach out to subford. .. he is also on Ford truck forums.. if he doesn't get back to you.. I can get my old books out.. but he usually will post much faster then me.. I am old not tech savvy.. also just Google 1993 Ford van fuel pump wiring diagrams and it should come right up.. by the way.. if you plan to keep rv.. order online.. basic automotive repair book for 1993 Ford vans.. they are all the same.. you got a van with house on top of it.. I use Haynes and Chilton.. I got a 1993 Ford conversation van but all my fuel pump have always plug and play .. the books have all the specs and trouble shooting and wiring diagrams..
Good luck and keep us posted
2000 southwind storm, workhorse custom chassis with 7.4l vortec