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Old 08-31-2015, 03:28 PM   #1
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Workhorse Chassis Owner
Join Date: Jul 2008
Location: Lambertville Mi
Posts: 750
Mind of its own!

While returning home we had about three hours of rain , needed to use the wipers. When the rain stopped I attempted to turn off the wipers. They would not get the message. To try to keep them from jumping across the windshield I used the washers. When the cycle was over the wipers stopped.
The rain started again and that time they were normal.
My question is " should I start at the smart switch,or the wiper motor?? It seems that now that it's working finding the problem would be hidden and hard to determine. Our next trip will be a long one and would like not to have happen again.(it may not shut off next time) Our unit is a 2006 Winnebago Adventurer workhorse chassis.

06 Adventurer 38R

Equinox Toad
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Old 08-31-2015, 03:39 PM   #2
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Posts: 829
you know you are getting power to motor so the start at the switch.you know it is getting power or the wipers wouldn't be on so it is probably the switch or the relay that is part of the wipers coming on when you wash your windows.i am not familiar with your rig but had same problem on a gmc pickup and it was the windshield washer relay

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Old 09-01-2015, 03:30 PM   #3
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Location: Lambertville Mi
Posts: 750
Thanks I will start start there !
06 Adventurer 38R

Equinox Toad
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Old 09-04-2015, 05:20 PM   #4
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Newmar Owners Club
Spartan Chassis
Join Date: Jun 2013
Location: Apple Valley CA
Posts: 926
This is a common problem with the wipers on a Workhorse Chassis. You might do a search on the Workhorse forum to find the answer. Had the same problem with my 2005 Winnebago Voyage with a WH chassis and never solved the problem.

Craig & Carolyn Roberts Apple Valley, CA
2006 Newmar 3910 KSDP 400 ISL Cummins Spartan Mountian Master Chassis
Toad: 2017 GMC Canyon 4X4 Crewcab
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Old 09-04-2015, 06:25 PM   #5
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Freightliner Owners Club
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Location: Crown Point, In
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There's a switch on the motor called a park switch, it tells the wipers were to stop at, may or may not be easy to get to, usually not tho
Mike & Becky
2005 Gulfstream Crescendo 8356
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Old 09-04-2015, 06:39 PM   #6
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Ford Super Duty Owner
Join Date: May 2010
Location: Pensacola Fl
Posts: 667
I cured my haunted wipers taking the connector apart drying it out coating it with dielectric grease and re-positioning the assembled connector out of any water flow coming in.
The wiper turns on/off through the ground wire in the connector and when it got wet it did whatever it wanted no matter what the s/w called for.
Never had a problem after the fix.
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Old 09-04-2015, 07:03 PM   #7
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Location: Bel Air, Maryland
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Typical WH chassis problem like mccsix said there a connector under the hood that is poorly located. The connector is exposed to the rain as it comes though the grille so your best cure is to do as he said and you can relocate it higher up so it stays dry.Just follow the wire to the wiper motor to find the connection we're talking about.

Jim/Lois 1999 Newmar Mountain Aire MACA3797 F53 - V10
Bel Air, Maryland 5 Star Tuning & Air Lift Bags
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