Sorry - it's been 23 years since I owned a '96 Southwind and I've forgotten most everything. You are aware the fuel pump is in the tank, right? I seem to recall the wiring running up the driver side frame rail, but I don't recall where it terminated up front.
Former owner of 2004 American Tradition and several other RVs
Home is in the Ocala Nat'l Forest near Ocala, FL