Does anyone have a wiring diagram for the wipers on a GMC W4500. They are inop, If I power the motor it works, ther is a relay/module that clicks when I turn them on that says wiper control. If anyone has a diagram, that would help tremendously. Alldata no hel...

FIX posted 7/16/2010

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle