When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
the switch is most likely the culprit... you may want to disassemble and look for a pinched wire, does the motor move really slow? if so chances are its on the way out, that was what mine did. In the manual theres a fuse # for the wiper motor pull that and try with another, but thats most likely gonna be all or nothing.