1997 - 2003 F-150

Winshield wiper comes on randomly.

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Old Dec 13, 2012 | 11:11 AM
  #1  
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Winshield wiper comes on randomly.

Mtywindshield wipers come one on randomly all by themselves in the off position.. Thinking its the switch and at some point I'll just put one on and see if it fixes it.. Anyone else ever have this issue? Usually they just cycle once but some times they actually come on until I play with the switch..
 
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Old Dec 13, 2012 | 05:57 PM
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My exped used to do that. The ghost wipers. There was a write up about it somewhere on how to clean the contacts in the switch.

I let mine got for about a year before I fixed it... it would trip people out riding with me.


Can't find the write up but you pop the end cap off the wiper switch with a thin blade, take the screw out and everything comes apart. If I remember right, there is a spring and a few contacts in there. You clean with alcohol and a q tip, then dielectric grease and reassemble.

Hopefully it is that and not the multifunction switch. Think those are around $60

The write up had good pics, lemme try and find it again

It's not from our website so hopefully nobody throws a fit
http://www.fordf150.net/howto/fix-in...er-problem.php
 

Last edited by Toyz; Dec 13, 2012 at 06:21 PM.
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Old Dec 13, 2012 | 07:32 PM
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Thanks Toyz! bookmarked it and Ill give that a shot!
 

Last edited by jethat; Dec 13, 2012 at 10:53 PM.
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Old Dec 14, 2012 | 09:32 PM
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Another vote for the Multifunction switch, but for some reason, my wipers acted up when my alternator was going as well a different time.
 
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Old Dec 14, 2012 | 09:47 PM
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I fixed mine with that write up so hopefully that is it
 
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Old Dec 15, 2012 | 01:35 PM
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Originally Posted by Toyz

I let mine got for about a year before I fixed it... it would trip people out riding with me.

A year, -you sure they didn't think you were a trip? You may have even earned a nick name without your knowledge. Perhaps, Joe wipe me
 
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Old Dec 15, 2012 | 02:49 PM
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Yea... laziness
nothing like a 100 degree day, windows down flying down the highway and the wipers decide to come on.

joe wipe me... i can dig it
 
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Old Dec 15, 2012 | 03:42 PM
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That's a big switch. I recall mine going bad in my old 99 1 ton. The truck was still under warranty at the time and they left the bad part on my front seat when I picked up the truck. They replaced that entire selector switch.
 
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Old Dec 15, 2012 | 07:37 PM
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I did it! all seems well so far but I havent went anywhere. Have to see if its fixed for sure but I cleaned it and regreased it put it back together and everything works..
 
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Old Dec 15, 2012 | 07:42 PM
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Was it very dirty, -full of crap?
 
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Old Dec 15, 2012 | 10:52 PM
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That fix worked for me for about 6 months, then it came back even worse. Ended up replacing entire multifunction switch. Get an OEM from Ford if u have to. I got 2 bad ones from NAPA.
 
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Old Dec 15, 2012 | 11:53 PM
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Just old grease in there didnt look bad at all..
 
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Old Dec 16, 2012 | 09:25 AM
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Originally Posted by jump n
That fix worked for me for about 6 months, then it came back even worse. Ended up replacing entire multifunction switch. Get an OEM from Ford if u have to. I got 2 bad ones from NAPA.
The first time I "fixed" mine, it worked for about a week and then started happening again. The reason is that I had bent one of the contacts the first time around while cleaning it. After going back in a second time and spending some time getting that contact seated just right, it never came back.

I think once that grease gets a dirty look, what it partially might be is contamination from wore out metal contacts...? I dunno. Mine was not that dirty either, just some gummy looking grease.

Doesnt seem to work for everybody but worked for me. Hopefully it does for jethat.
 
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