My wipers work but when they come on my passenger one won't come up or when they com on the passenger one gets stuck on the drivers one or the driver wiper blades hits my mirror what could this be i'd really like to know its been raining here every other week and yeah please and thankyou

 

oh i failed to mention my wipers turn on randomly to what could my problem be

 

Didn't catch what truck you have. Have you looked at the passenger wiper to see if its secure to the actuator? Its splined and maybe slipping. Going on at random, look into switch.

 

Yeah as for it not working, pop off the cover with a screwdriver and tighten it down!

 

its a 99 f150. i did and still nothin but i can move both wipers up and down likw the wiper is suppose to do is this normal?

 

Something is wrong with the linkage if you can move the wipers as if they were wiping the glass. Should not move.

 

Ah ok is this an easy fix?

 

It could be that the arms are stripped or could be that the linkage is bad. Stripped arms are an easy fix, the same cannot be said for the linkage.