Hello I seem to have an issue with my wipers where I will turn it on and it will go once then not go on again. It is random as sometimes it will work but most times it doesn’t. The only one that seems to always work is the high settings. It also works with the windshield washer fluid but that is it.

What can be the issue?

I have a 21 Lariat crew cab.

Thanks

 

Could be the stalk's contacts are worn, Had that problem on my 2020 F150. Dealer replaced the stalk.

 

My guess is you’ll be replacing your multi-function switch/stalk. Easy to do.

 

Lets not forget that Ford had I think its three recalls related to wiper motors and arms on the 2021 F150. The most recent was announced just a few days ago

F150 Wiper motor recall

 

I experienced the same thing with my last truck. Replaced the switch 3 times in three years. Changed the wiper motors (unnecessarily). The problem was cheap china aftermarket switches. Used an OEM switch and never had the problem again.