Wind shield wipers and turn signals do not work

1999 FORD F-350
240,000 MILES • 7.3L • V8 • TURBO • 4WD • MANUAL
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ROCKY MARNITA HUGHEY
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Has new wiper motor and new multi switch function, fuses are all good. any help would be appreciated.
Oct 8, 2019 at 8:30 PM
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JACOBANDNICKOLAS
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Welcome to 2CarPros.

Have you checked to see if there is power to the wiper motor? Also, I just read through the schematics for the wipers and the signals and I did find one common ground. The first three pics below are related specifically to the wiper motor. Pic 4 is from the exterior lighting schematic. In pic 4, I circled a common ground. It indicates the location. Check to make sure that has a good connection without corrosion and nothing is loose or broken.

Let me know what you find.

Joe
Oct 12, 2019 at 7:36 PM