I don't know how to troubleshoot it. I was thinking that there may be a plug in and out relay... $15 part, like the fuel pump relay. But ofcourse... noooo.
CVWiperDiagram.JPG
__________________
BroncoJoe19
2006 Alt Fuel Jeep (electric)
'98 windstar 3.8L
'99 Crown Vic 4.6L
'90 Full Size Bronco 5.0L
I'm not a professional mechanic, take my suggestions with a grain of salt, or a cup of coffee
At the bottom of each post there is a little icon

Clicking it gives feedback to the moderators, and poster regarding which posts are most helpful.