FORD RANGER BLOWER FAN

My Heater Fan Only Works On High Speed. I Have Had This Problem On Other Vehicles And Replaced The Heater Fan Relay To Fix It. All The Parts...

I Have Just Started To Experience Problems With The Fan Not Working. It Started To Work On And Off For A While I Then Replaced The Blower...

My Fan Speed Control Only Works On High Speed. I Assume It Is The Fan Control Switch.