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Hey guys. My 2002 f350 had the wiper quit this week. Stopped half way across the windshield. It had been kinda loud since I replaced it a couple years ago. Put a new one on to day and it works fine if you only turn the switch 1 or 2 notches in the intermittent range. If you go past that then turn them off it will run like it is in the fastest intermittent setting and if you turn them on at all they run full speed. if you turn them off and turn the truck off and restart it it doesn't do it until you turn the switch back on.
I pulled the multifunction switch out of another truck and swapped them, same issue. I might swap the motors and see if that makes a difference but thought I would see if anyone had any other Ideas first. It never had an issue before I put the new motor in. TIA
When the motor on my 2002 went bad I bought 2 from Autozone and neither one worked correctly, I finally ordered a Motorcraft and that one is still working today. The module that controls the intermittent function is contained in the motor and I don't think the cheap ones can figure out how to do it right.
What brand of motor did you buy and where dis you get it from?
Got it at Napa. Napa brand. I did swap out one from another truck yesterday evening and it worked so they are ordering me another so I can exchange it. Supposed to be here Tuesday.
This is striking a chord with me but I'm not recalling the full issue, sorry to say. Problems with intermittent wipers are a symptom of another issue. Not the motor, not the switch.
Start with cleaning the G100 ground on the firewall.
Drat. I was trying to get you the wiring diagram for your truck but the FSM refuses to display any information on my Win 11 machine for MY2002 vehicles. Let me fire up my slow AF Win 10 laptop to get it.
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