| [ Total Views: 1252 | Total Replies: 19 | Thread Id: 110723 ] |
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 Blue65
A.k.a.: Yau
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| posted on March 19th, 2016 at 08:23 PM |
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good auto electrician for VWs
Hi, I've got an annoying problem that has been bugging me for nearly 20 years.
My wipers don't switch off once they are turned on.
I went thru three VW mechanics but none of them have been able to fix it.
Can some one recommend a good auto electrician familiar with vintage cars?
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Owner of a 1964 VW Beetle, 1641cc engine, etc..
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hulbyw
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| posted on March 19th, 2016 at 08:33 PM |
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You could try Simon on 0408 178 211. I bought a changeover starter from him and he seems happy to work on old cars including VW's. Works from home
Cheers
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Blue65
A.k.a.: Yau
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| posted on March 21st, 2016 at 02:44 AM |
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| Quote: | Originally
posted by hulbyw
You could try Simon on 0408 178 211. I bought a changeover starter from him and he seems happy to work on old cars including VW's. Works from home
Cheers
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which suburb is he at?
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AA003
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| posted on March 21st, 2016 at 06:25 AM |
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Possibilities;
Switch defective
Park contact in wiper motor defective
Bad earth from switch
You could disconnect the ignition wire to the wiper motor and then park it manually as a temporary fix.
I read it on samba, so it must be correct.
Sometimes Volkswagen dealers sell spare parts. Amazing isn't it!
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hulbyw
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| posted on March 21st, 2016 at 07:52 PM |
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| Quote: | Originally
posted by Blue65
| Quote: | Originally
posted by hulbyw
You could try Simon on 0408 178 211. I bought a changeover starter from him and he seems happy to work on old cars including VW's. Works from home
Cheers
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which suburb is he at?
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Doncaster
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ragged
A.k.a.: David
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| posted on March 21st, 2016 at 10:23 PM |
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It's not a 6 volt car converted to 12 volt by any chance? Dave
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modulus
A.k.a.: Peter Hill
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| posted on March 22nd, 2016 at 05:07 PM |
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Most vintage cars have crappy earthing. As this problem has been annoying you for 20 years, spend 4 hours (that's .00228% of twenty years, a quite
trivial amount) on cleaning up your earthing. Remove each earthing screw, sand down to bare metal and replace. It is unlikely to solve your problem,
but will improve your karma.
hth
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psimitar
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| posted on March 23rd, 2016 at 12:05 AM |
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Use the samba to look up the wiring diagram for your Bug and check the wires are on the right terminals. It just takes the 2 live feeds to be swapped
and the park function will never work.
madness is in the eye of the beholder  |
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Blue65
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| posted on March 25th, 2016 at 10:09 PM |
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| Quote: | Originally
posted by ragged
It's not a 6 volt car converted to 12 volt by any chance? Dave
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Yes it is. Its a former 6 volt converted to 12 volt.
I'm thinking of getting the Narva headlight buzzer.
But I'd like to know what kind of sound it makes before getting it. I contacted the company and they said they'd try and make a recording of the
sound … eventually… http://www.narva.com.au/products/detail/452/noheaders/1/
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AA003
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| posted on March 26th, 2016 at 02:10 PM |
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What is the wiper motor, 6v or 12v?
I read it on samba, so it must be correct.
Sometimes Volkswagen dealers sell spare parts. Amazing isn't it!
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Blue65
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| posted on March 31st, 2016 at 11:37 PM |
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| Quote: | Originally
posted by AA003
What is the wiper motor, 6v or 12v?
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I think its still the 6V - they put a resistor to make it work ok.
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AA003
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| posted on April 1st, 2016 at 10:51 AM |
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That may be your problem. Try disconnecting the black wire from the wiper motor and park it manually.
I read it on samba, so it must be correct.
Sometimes Volkswagen dealers sell spare parts. Amazing isn't it!
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psimitar
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| posted on April 4th, 2016 at 06:50 PM |
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It shouldn't make any difference if still on the 6v motor armature or the Wolfsburg West 12v armature has been fitted. This is cos the park function
is part of the base of the motor where the gearing is. There is a cam that operates a contact where the 3 wires enter the motor. It is this contact
that allows power to be kept on after the wiper switch has been switched off and keeps the power on until the park position is reached. At this point
the contact opens to remove the permenant live and stops the wiper at it's park position.
From experience, if you mix the 2 wires from the switch to the wrong motor terminals then the wiper will switch on but never off IIRC.
Maybe worth taking the base of the motor apart to check out if the parking cam that opens the contact is working properly.
Those early motors are very basic single speed and the Wolfsburg armature just corrects the wire gauge and hence resistance so the correct current is
drawn by the motor. Nothing more than that as the stator is just a laminated magnet and not an electro magnet as in a dynamo, alternator or modern
motor. 
madness is in the eye of the beholder |
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AA003
A.k.a.: Phill
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| posted on April 4th, 2016 at 07:23 PM |
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| Quote: | Originally
posted by psimitar
It shouldn't make any difference if still on the 6v motor armature or the Wolfsburg West 12v armature has been fitted. This is cos the park function
is part of the base of the motor where the gearing is. There is a cam that operates a contact where the 3 wires enter the motor. It is this contact
that allows power to be kept on after the wiper switch has been switched off and keeps the power on until the park position is reached. At this point
the contact opens to remove the permenant live and stops the wiper at it's park position.
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"they put a resistor to make it work ok"
I read it on samba, so it must be correct.
Sometimes Volkswagen dealers sell spare parts. Amazing isn't it!
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psimitar
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| posted on April 5th, 2016 at 06:30 PM |
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| Quote: | Originally
posted by AA003
"they put a resistor to make it work ok"
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Depending where they placed the resistor it shouldn't have any effect on the park function if placed on the switches power feed.
I've worked on enough of these old motors to know it's either mis-wired or park cam problem. The change of voltage will just burn the unit out if
not compensated for by a change in resistance.
madness is in the eye of the beholder |
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Blue65
A.k.a.: Yau
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| posted on April 5th, 2016 at 07:19 PM |
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| Quote: | Originally
posted by hulbyw
| Quote: | Originally
posted by Blue65
| Quote: | Originally
posted by hulbyw
You could try Simon on 0408 178 211. I bought a changeover starter from him and he seems happy to work on old cars including VW's. Works from home
Cheers
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which suburb is he at?
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Doncaster
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Thats good. I live close to Doncaster too.
So I just call him up? Does he have a surname?
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Owner of a 1964 VW Beetle, 1641cc engine, etc..
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hulbyw
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| posted on April 5th, 2016 at 08:18 PM |
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Dunno his surname. Just call him up and explain what you are after
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Blue65
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| posted on April 5th, 2016 at 08:50 PM |
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I should mention that the wipers do turn off eventually.
Let me explain the problem in full.
If I turn on the wipers when I do not have the engine on - it will switch off as normal. No problem
If I'm driving and I turn the wipers on - the wipers may not turn off. It seems to be esp worse when it rains. The wipers will operate but slowly -
like at half speed.
My wipers has only one switch on speed.
Usually the solution is to turn the engine off and the wipers will switch off. Then I turn the engine back on and the wipers will hopefully stop -
sometimes they do.
| Quote: | Originally
posted by AA003
Possibilities;
Switch defective
Park contact in wiper motor defective
Bad earth from switch
You could disconnect the ignition wire to the wiper motor and then park it manually as a temporary fix.
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______________________
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modnrod
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| posted on April 6th, 2016 at 05:15 AM |
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| Quote: | | Quote: | Originally
posted by Blue65
If I'm driving and I turn the wipers on the wipers may not turn off. It seems to be esp worse when it rains.
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Automatic wipers! Cool!
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psimitar
Son of Jim - Creator of Good
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| posted on April 6th, 2016 at 11:46 AM |
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I had a look at the 64's wiring diagram and the wiper switch power should come from the ignition switched live fuse. It dies the brakes, indicators
and horn too.
The engines coil is from that fuse but from the unfused side. So maybe there is voltage drop across the fuse itself from oxidation to the fuse box
terminals and/or the fuse itself. That could expalin the slow running when the engine is running.
My other thought was that maybe the wiper switch itself is all gummed up inside and the wet may just mean the increased humidity is allowing a current
path to form in the switch. Maybe pop a cheap 10amp rocker switch in place of the current switch to see if that helps. If it does you can then buy a
new correct style switch
madness is in the eye of the beholder |
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