Wiper Motor Repair Guide

Have you documented a Scimitar related procedure and would like to share it with others? Pictures are most welcome!
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PeteMac
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Re: Wiper Motor Repair Guide

Post by PeteMac » Tue Apr 27, 2010 10:14 pm

Many thanks for the info Steve. I went out tonight and altered the position of the bridge on the drive gear, as you described.

For anyone needing to do the same, here's some pictures.

Firstly, the wiper body with the drive gear removed showing the spring-loaded park switch that gets depressed by the bridge on the drive gear.
wiper4.JPG
The wiper motor body with the spring-loaded park switch highlighted.
Next, the drive gear as removed from the motor body.
wiper3.JPG
Drive gear as removed from wiper motor body.
The drive gear with the bridge highlighted.
wiper1.JPG
Drive gear and bridge.
(to be continued)


[color=#0000FF]1987 1800Ti[/color]
(previous 1975 SE5a, 1968 GT)

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Re: Wiper Motor Repair Guide

Post by PeteMac » Tue Apr 27, 2010 10:17 pm

(continued from previous - maximum 3 attachments allowed per post)

Finally, the next image shows the gear carefully moved down to allow it to be rotated 180 degrees, so the bridge will then be on the opposite side.
wiper2.JPG
Once done, put it all back together.

At last, my coupe's wipers now park correctly.

Thanks again Steve, your info was invaluable.

Peter
1968 SE4b


[color=#0000FF]1987 1800Ti[/color]
(previous 1975 SE5a, 1968 GT)

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Re: Wiper Motor Repair Guide

Post by steve bryant » Wed Apr 28, 2010 9:23 am

now you can say you have had some usefull info from the deepest darkest continent, glad its all worked out well.



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Re: Wiper Motor Repair Guide

Post by Taggers » Tue Sep 14, 2010 12:27 pm

Anyone got part numbers for the 6a wheelboxes? I was sure I saw them on here, can't find them now though!


1979 SE6A

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Re: Wiper Motor Repair Guide

Post by MickP » Tue Sep 14, 2010 1:08 pm



1978 SE6a Auto - off the road for TLC (or sale?).
2007 Saab 9-3 Vector Sport 150 TiD
1997 Ducati 900SS - Last carb. model.
Gallery Project
“Technological progress has merely provided us with more efficient means for going backwards.” - Aldous Huxley.

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Re: Wiper Motor Repair Guide

Post by Taggers » Tue Sep 14, 2010 1:12 pm

Cheers Mick


1979 SE6A

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Re: Wiper Motor Repair Guide

Post by murgers » Sat Mar 19, 2011 8:55 pm

My front wipers don't park. I have to just stop them manually at the right point. I have installed a new multi switch today and I noticed that the yellow/light green wire (used for park) had been disconnected from the old wiper switch. When I installed the new one the wipers wouldn't stop. I found I had to detach the same wire from the new switch to stop them.

I have decided that it must be a malfunction in the motor itself which is why I came to this thread. After reading it I am assuming the park switch isn't working. Does this make sense

Can someone suggest whether this is going to be an easy fix or am I likely to need a part (or worse still a new motor).

Any advise or further explanation would be greatly appreciated.



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Re: Wiper Motor Repair Guide

Post by swoakes » Sat Mar 19, 2011 9:01 pm

On my 5a the wipers wouldn't park and it turned out to be a lost connection at the motor. Bear with me whilst I find the old thread. Steve


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Re: Wiper Motor Repair Guide

Post by philhoward » Sat Mar 19, 2011 9:12 pm

In order to park properly, there is (from memory) a "permanent" ignition feed to the motor in order to effectively stall it when its switched off. 99% of the time, it is the parking switch thats at fault - or its operation (the bridge or plunger).


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Re: Wiper Motor Repair Guide

Post by swoakes » Sat Mar 19, 2011 9:15 pm

Pin 4 on the wiper motor multi plug must have an ignition fed 12v supply. The pin numbers should be marked on the multi plug face. Steve


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Re: Wiper Motor Repair Guide

Post by murgers » Sat Mar 19, 2011 9:33 pm

It is pin 4 (the yellow/light green wire) that I have had to disconnect to stop it just wiping continually when the switch is in the off position. It seems logical to me that it is just not activating the park switch inside the assembly (so not stopping). Are replacements available for the park switch? can anyone suggest where to get one if i need one? I shall dismantle the unit tomorrow and see if it can just be cleaned up.



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Re: Wiper Motor Repair Guide

Post by swoakes » Sat Mar 19, 2011 9:36 pm

Apologies made the mistake of not reading your post fully. I got a bit excited when I thought that I may be able to answer a question instead of asking one :lol: :oops: Yes sound like an internal issue with the park. Not sure if you can get the bits separately but you should be able to find a second hand motor no problem either on here or via Ebay. Steve


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Re: Wiper Motor Repair Guide

Post by philhoward » Sat Mar 19, 2011 9:38 pm

In that case, it sounds like the parking switch has failed. They are available, but I have no idea where from these days.

If it was me, i'd try blasting it with some switch cleaner (Maplin or any electronics outlet) and see if that fixed it. Otherwise, any 14W wiper motor will do as long as you swap the drive gear from your original. Two circlips (at the back of the gear shaft, one onto the drive arm) once you've got the cover off; 2 minute job.

EDIT: Our old friend, Stafford Vehicle Components sell them at £7.50 (a tenner inc P&P): http://www.s-v-c.co.uk/prod_wipers.html


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Re: Wiper Motor Repair Guide

Post by Roger Pennington » Sat Mar 19, 2011 9:42 pm

For new park switches (£7.50 + p&p), and some useful technical info on the wiring plug connections etc., have a look at This Link to SVC


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Re: Wiper Motor Repair Guide

Post by Roger Pennington » Sat Mar 19, 2011 9:43 pm

Ah ha! I must type faster, Phil! :)


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