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Old 08-26-2012, 08:22 PM   #1
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2003 Monaco Lapalma Wiper Keep Running

Good evening,

I have a 2003 Monaco Lapalma on a Workhorse chassis.
I started off by blowing the 25a fuse so I disconnected the Wiper motor and reconnected the wires then the wipers would not stop working so I had to pull the fuse.

I had this same problem with my Chevy truck and had to change the Multi Fuction Wiper switch so I decided to go ahead and change this switch.

Still have the problem of the wipers still running while the switch is turned off.

My question is has anybody had this problem before and is there a relay bebween the fuse panel and the wiper motor?

Thanks in advance for your help


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Old 08-27-2012, 04:49 AM   #2
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Welcome to irv2 Tim.
Have you been traveling through rain?
If the plug wiring for motor gets water in it the water will short out in plug and you need to take apart and use some contact spray to get plug dried.
Than use some silicone to seal ends of plugs to keep water out of plugs and wire tie plug high up under hood area.
If you ever have problems with water getting into the air intake for air filter you need a rubber gasket alone the hood opening.

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Old 08-27-2012, 07:19 AM   #3
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Most wiper motors have a "parking" switch on the wiper motor. This switch senses when the wipers are in the home position. When you turn the wipers off, if you notice, they will normally continue to operate until they reach the home position and then stop. If they don't stop at the home position, it could be because the contacts are welded on the parking switch, or the cam or actuating arm are defective. The net effect is that the parking switch remains on and will not allow the wipers to stop at the home position.

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