Ford Ranger Wiper Speed

While Driving Down The Road The Wipers Will Turn On By Them Selfs. You Can Controll The Speed But Not Turn Them Off. But Other Times...

They Will Not Work On Intermittent Or Low. They Work Fine On High. Are There Fuses And Relays That Would Allow One Speed To Work And Not All...

My Wipers Were Working Fine And Then They Started To Slow Down And Started To Stutter And Barely Move At All,we Changed The Motor And The...