I tried this site for the same thing, I think I found them at PPL in Houston TX. Or Goggle rocker switch. I got a green one to replace the yellow/orangeish color be sure to get the one with the same hook up as yours does.It can take some looking.
1982 Pace Arrow 30ft.
KarKaddy SS, Toad:99 Concours
Lilly and Rubie Our 4 legged Kids & Tim & Joe