Windscreen wipers

[chrisrg1985]

Another post from me lol

My windscreen wipers will not park correctly and also will not work on intermittent (not sure if thats why they wont park or not) I have changed the window wiper motor but to no avail. Any ideas again on what else could be causing this?

ps i have a mk 1 TT

Chris

[Uniuno]

The switch controls the intermittent function iirc. That's the only other thing it could be. Unless you got a bad motor again, that's what controls park.

[chrisrg1985]

No ive tested the motors on another gto and there working fine. So because the intermittent function doesnt work do you think thats whats stopping them from parking properly?

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[Uniuno]

If you have another one to test with try trading your control switch.

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[chrisrg1985]

I dont have one too check it on. I had a friend who had one but he sold his

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[Alan92RTTT]

WHat do you mean when you say "they will not park correctly?"

[chrisrg1985]

When you turn the wipers off they stop wherever they are instead of returning to the bottom of the windscreen

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[Uniuno]

Sounds like the switch is bad to me.

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[chrisrg1985]

Is removing the switch an easy operation?

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[green-lantern]

You must have a moisture problem where you're at. The instrument cluster and now this. If the car is going to sit a bit longer you might want to put something in it like this.

http://www.homedepot.com/catalog/productImages/1000/d5/d549316d-0782-43eb-80b7-e89141750a52_1000.jpg

or this

Interior Humidity Absorber Desiccant Dehumidifier Photo, Detailed about Interior Humidity Absorber Desiccant Dehumidifier Picture on Alibaba.com. (http://www.alibaba.com/product-gs/602648207/Interior_humidity_absorber_desiccant_dehumidifier/showimage.html)

Change them out when they get full

[chrisrg1985]

Oh no the switch has been a problem since I got the car which is a bout 2 years ago. Its not as if its major but just does my head in that it doesnt work properly. Cheers for the link though they will certainly come in handy

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[Uniuno]

The switch is easy to change. You have to pull the covers off the column, probably pull the panel under the column to access the connector and two screws hold the switch to the side of the column. I have a spare from my parts car, but I never verified it before I pulled it. And my car is in storage at the moment. Plus you're in the UK so shipping probably wouldn't be worth it :-P

[chrisrg1985]

Yeah shipping cost wouldnt be ideal lol but if I become desperate then I might just have too lol. Cheers for the info though. Cant afford one at the moment but I may just take it apart too check its condition

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[chrisrg1985]

so i took the wiper stalk off today then took it apart too have a look at the connections and they were all black and nasty, cleaned it up put it back together and still doesnt work lol darn it

[Steve '92ES]

You didn't put windshield wipers on it did you? Windscreen wipers park to the left, while windshield wipers park to the right. Putting the wrong wiper on could cause the whole system to lock up!!

Seriously though...
The problem could be your ignition switch. When you shut the wipers off the ignition switch supplies power to pin 3 of the wiper motor connector to allow it to park. Check for power at pin 3 with the key on to make sure that's working.

[chrisrg1985]

hahahahaha you got me to start with there lol i was like hmmmmm lol but i havent slept yet. hmmm i had too change the ignition barrell and locks on the doors and boot as it didnt have the same keys all the way around, wonder if i forgot to plug summit back in

[chrisrg1985]

but that still wouldnt account for why the intermittent function doesnt work would it

[Steve '92ES]

No, but after looking at the diagrams again I'm thinking that a bad intermittent wiper relay could explain both problems. It looks like the relay supplies power to the park circuit when it's off, then switches it to the low speed run circuit when it's pulsed on. If that's hosed then neither the park or the intermittent would work.
The bad news is that this relay is built into the wiper switch. I don't know if you can take the switch apart again and try to fix it.
Before you do that though unplug the switch and check for continuity between the connector pins 6 and 10 with the switch "OFF".

[chrisrg1985]

Thanks for that info mate. How do I check for continuity between those pins?

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[Steve '92ES]

Do you have a meter?

[chrisrg1985]

Nope im guessing you need one of them then lol

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[Steve '92ES]

Unless you want to start licking terminals.... ;)

[chrisrg1985]

No I heard that could be dangerous. What sort of meter would I need and ill see if any of my friends have one

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[Steve '92ES]

Any kind of multi-meter will do. Digital meters are easier to use but an analog (needle type) will work.
Specifically you need an Ohms function.
Cheappy meters are, well, cheap around here. They're crap, but if you can find one they'll do.....