99 Ranger wipers

[Fordsandguns]

Hey Guys, Anyone have a fix for the ranger wipers that go when they want? I know this is a common problem, but I haven't heard what causes it. It sure gets frustrating.

 

[JLDickmon]

replace the relays (high/low, and pulse)

 

[Fordsandguns]

replace the relays (high/low, and pulse)

Thanks, I'll give that a try.