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Old 06-25-2012, 03:48 PM   #1
simbil's Avatar
Winnebago Owners Club
Join Date: Jan 2010
Location: Chilliwack, BC
Posts: 31
Angry phantom wipers

Have a 2005 Winni Adventurer, Workhorse chassis.
Latest event with this rig is "Phantom wipers!"
Turn on ignition and away they go.
Respond to nothing other than turn off ignition or
disconnect leads to the wiper motor (under the hood).
Am told this was an issu with late 90's GM/Chev trucks.
Should have been resolved long before '05, or is this
another example of motorhome manufacturers using
older parts stock???????

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Old 06-26-2012, 04:33 AM   #2
Senior Member
Join Date: Jul 2011
Posts: 951

Where is your wiper control switch...on the steering column or on the dash?
Switch might need to be replaced. On some dash switches, you can rotate them both directions from neutral "off" position. Maybe yours hasn't found "off" yet.

2004 Tiffin Allegro 27.5 ft. P32 18,000 lb GVW. 8.1 liter. Workhorse chassis built May 2002. 21,000 miles. 2012 Jeep Liberty Toad. RVi2 brake unit.
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Old 06-26-2012, 05:23 PM   #3
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Freightliner Owners Club
Join Date: Sep 2011
Posts: 205
Just replaced similar unit in an '04 model. Takes total replacement of wiper motor/transmission assembly.
Turns out it is fairly common, the "control board" goes bad, it is INSIDE the motor, thus necessating the replacement.
Worst part is getting to wiper arms off the studs. They can be a bugger!
Two screws held mine,, one locating stud, pretty simple.
NAPA had exact replacement, $135, core exchange necessary.
You are totally right about the problem being around so long...they should be able to engineer a much better assembly....oh well....
Have Fun..!
Back to a 5'er after 4 yrs fulltime.
Pulling with a '14 2500 ram, 6.4 Hemi.
Montana High Country 31RE
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Old 06-26-2012, 08:00 PM   #4
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Workhorse Chassis Owner
Join Date: Jan 2007
Posts: 307
Post this question on the Workhorse chassis forum or do a search on that forum. Lots to read. I had the same issue. I disconneted the plug to the motor, packed with dielectric grease and haven't had a problem in 18 months. But I haven't drivin I much rain.
2003 Allegro, 32BA, W20,'06 Saturn Vue, Demco Aluminator, RM9700, R1150RT B'mer
SE Louisiana
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Old 06-26-2012, 11:49 PM   #5
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Winnebago Owners Club
Join Date: Jan 2010
Location: Chilliwack, BC
Posts: 31
phantom wipers

Thanx for the feedbacks.
I had disconected the wiper motor and reconnected about 8 hrs later
and all o.k. again!! It was a rare dry day, so perhaps there was some dampness in the connector. Being on the west coast of B.C. and an exceptional wet Spring, it's not surprising. Will keep fingers crossed.
Good idea to check Workhorse forum as well as there is always some
issue to address as per having just replaced the inner blower motor of the basement a.c. The bearing had seized causing the motor to overheat and
fry. To add insult to injury, after pulling the 200# unit out, undoing umpteen fasteners on the lid and finally getting to the innards one finds an oil cap on the bearing!!!!! What lamebrain would come up with that????? 3+ hours to put in a few drops of oil. I tell ya!!!!!
Cheers, all
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