Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Wipers stuck on

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Old 12-10-2008, 07:05 AM
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Default Wipers stuck on

My wipers are stuck in washer mode and will not go off, even after restarting the car. I assume that I have a stuck relay, or perhaps the wiper switch. If it could be a relay, might this be easily located and replaced ?

Thanks
 
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Old 12-10-2008, 07:44 AM
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Default RE: Wipers stuck on

I wonder if it is a crossed wire under the hood.

The wipers on the windshield keep going as well?

Also does the car have headlight wipers?
 
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Old 12-10-2008, 08:08 AM
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Default RE: Wipers stuck on

Yes, I have headlight wipers. This was not spontaneous. I pulled the washer stick to clean the windshield and rather than running the typical 3 or 4 cycles, the wipers and pump stayed on. This is why I think that it is something in the wiper controls themselves
 
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Old 12-10-2008, 08:16 AM
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Default RE: Wipers stuck on

OK I wanted to make sure that one of the headlight wipers didn't go bad(Common problem) and it was only the headlight wiper making noise. But if the windshield wipers keep going as well it has to be something else.

I have never seen this before. I wonder if it is in the switch. Maybe if you can get to the switch and unplug it and see if it stops. If it is shorted after the switch it will keep going. If it is the switch or shorted before the switch it will stop when unplugged.
 
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Old 12-10-2008, 08:21 AM
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Default RE: Wipers stuck on

I would like to hear the outcome as well. In the meantime, pull the fuse to the wipers to stop them, or pull the power wire to the washer pump
 
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Old 12-10-2008, 08:22 AM
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Default RE: Wipers stuck on

I was hoping that I could locate a relay as I cannot get into the steering column very easily. If it turns out to be the switch I would have someone else do it as I don't want to deal with the airbag, pulling the wheel, etc.

I'll likely just pull the fuse and hope that it does not rain before I can get it to my mechanic.
 
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Old 12-10-2008, 08:25 AM
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Default RE: Wipers stuck on

To get to the switch you do not need to remove the steering wheel or the Air Bag you just need to remove the black cover on the column. It is 4 or 5 screws and it is off.

I will try to look at the wiring diagram quick and see what I can find.
 
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Old 12-10-2008, 08:36 AM
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Default RE: Wipers stuck on

Here is a couple of pics of the wiring diagram and relay location.
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Old 12-10-2008, 09:59 AM
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Default RE: Wipers stuck on

Thanks for the diagram. Figures, it is now raining steadily. How easy is it to pull the power plug to the pump ? Can I do this from under the hood ?
 
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Old 12-10-2008, 10:05 AM
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Default RE: Wipers stuck on

For the washer pump only yes I believe it is right there towards the bottom of the washer tube.
 
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Old 12-10-2008, 06:00 PM
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Default RE: Wipers stuck on

Turns out it is the switch. I jiggled the based of the wiper stalk and the wipers shut off. I guess this weekend I'll see if I can replace it. Thanks again.
 
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Old 12-10-2008, 06:11 PM
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Default RE: Wipers stuck on

No problem anytime.
 
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