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Wiper wiring and self park adjustment

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rothko78 Commited Dubber

55 posts · joined Apr 2010 ·

#1013367
Need some help on my wiper wiring. Had a setup installed but the wires burnt up today and nearly set the car on fire.

It is for a 1960 ghia with 12v conversion.

I am going to wire up an old switch to a newer 2 speed wiper motor. Then new 2 speed switch I had in I think is partially toasted now.

So what wires go where from the old style switch attached to the new motor in the wiring diagram?

Thanks in advance for any help.

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psimitar Son of Jim - Creator of Good

2,506 posts · joined Jan 2009 ·

#1013374
You need a later switch if you want to run it as a 2 speed motor.
To run as single speed the 53 goes to 54 of the switch and 53a to 54d. I think cos the 54d contact I'm pretty sure is part of the self parking function when you turn the wiper off.

The earths, 31 & 31b, are the same for single and dual speed motors.
madness is in the eye of the beholder 👍

rothko78 Commited Dubber

55 posts · joined Apr 2010 ·

#1013376
So what I have figured out so far is
Switch 31 ground and bridge to switch 31b
Switch 31b to 31b on motor
Switch 54 to 53 on motor and to fuse box
Switch 54d to 53a on motor

Should I hve a wire joining 31 and 31b on the switch?

psimitar Son of Jim - Creator of Good

2,506 posts · joined Jan 2009 ·

#1013422
Cool. I wasn't sure which of the motor wires did what.
madness is in the eye of the beholder 👍

rothko78 Commited Dubber

55 posts · joined Apr 2010 ·

#1013427
That image above worked. But the auto park is in the wrong position. Anyway to adjust it?
The way it is now it will stop in the middle of the arc across the windscreen.

AA003 Custom Title Time!

1,189 posts · joined Oct 2011 ·

#1013495
rothko78 wrote:Switch 31 ground and bridge to switch 31b

Should I hve a wire joining 31 and 31b on the switch?
Don't do that or it may not park correctly and damage the switch.
I read it on samba, so it must be correct.

Sometimes Volkswagen dealers sell spare parts. Amazing isn't it!😂

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#1013514
rothko78 wrote:That image above worked. But the auto park is in the wrong position. Anyway to adjust it?
The way it is now it will stop in the middle of the arc across the windscreen.
You need to reindex the crank arm on the wiper motor gearbox.

When they parked the crank arm needs to be removed from the wiper motor splined shaft and repositioned with the wiper arms are in the correct spot.

jobie Slammed & Awesome Dubber

77 posts · joined May 2011 ·

#1013526
if it is in the middle of the arc in the self park possi, won't re indexing it mean that the blade sweeps down the front of the car?

vwo60 Veteran Volks Folk

2,036 posts · joined Feb 2007 ·

#1013530
Index it any ware you like, it will only operate in the original arc.

rothko78 Commited Dubber

55 posts · joined Apr 2010 ·

#1013540
Ok. Will try and work out how to re index it.

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#1013575
jobie wrote:if it is in the middle of the arc in the self park possi, won't re indexing it mean that the blade sweeps down the front of the car?
No
You are moving the crank arm on the wiper motor not the wiper arms on the spindle.

Its very easy to do

See on this one how the crank arm is facing 3:00
if you undo the retainer nut and pull it off the splines and put it back on where ever the wipers are in the parked position.

rothko78 Commited Dubber

55 posts · joined Apr 2010 ·

#1013577
Mine is an older style motor. How do I do it on the old motor?

psimitar Son of Jim - Creator of Good

2,506 posts · joined Jan 2009 ·

#1013578
Got a pic of the back of your motor? I'm trying to remember what my old 6V SWF looked like and think the armature was welded to the motor shaft.

The self park mechanism was in the base of the motor housing and used a plunger that would drop into a detent in a wheel. If similar then that's where you need to look to see if the wheel can be rotated to suit.
madness is in the eye of the beholder 👍

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#1013579
Is it one of the can style motors like this with no nut on the crank arm?
that;s probably why it hasnt been done



It can be done with that style but it would mean pulling it apart and reindexing the internal gear.

rothko78 Commited Dubber

55 posts · joined Apr 2010 ·

#1013584
Yep that is the one.
Damn guessing that won't be an easy job.

psimitar Son of Jim - Creator of Good

2,506 posts · joined Jan 2009 ·

#1013629
Should be fairly easy. Place the wipers where they need to be parked and then remove the wiper arms so you can remove the wiper assembly. Now you can mark the position of the motor armature. Then turn the wiper on and let it auto park. Now mark that point.

Now you can disassemble and with the 2 marked points you can re-index the by just removing the armature with it's gear and then trun the armature to the new position and re-assemble 🙂
madness is in the eye of the beholder 👍