Ford E-Series Van Heater Switch

My Heater Works Fine But It Won't Switch From The Defrost Vents Position. What Could Be Wrong With It.

Went To Replace The Blower Switch On My E350. Some Time Prior To Me Purchasing The Vehicle, They Cut The Plug That Attaches To The Switch....

I Have A 1989 Ford E150 Van And The Heater Switch & Pigtail Overheat And Melt. It Is When The Switch Is Put On High. I Purchased A New...