Welcome to IRV2.. try searching up in right hand corner.. many gen and appliance manual are in appliance section.. if you look long enough.. it has to be here.. there is so much.. there are 2 parts to rv.. 1 is chassis.. start in that section.. if you don't know this look on eng and see.. some are gm, Chevy, ford ect. 2 is coach the top part.. . get back to us with chassis information.. so we can give you more tips.. I just don't know about rexall.. good luck and let us know what you did and maybe better members then me will help... you also find out what gen make and model is too.. then look in that section.. I have see once in a while on ebay..
2000 southwind storm, workhorse custom chassis with 7.4l vortec