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fccperdiem
Samba Member
Joined: August 16, 2005
Posts: 107
Location: Ellsworth, Maine
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 Posted: Wed Jul 30, 2008 10:52 am Post subject: Wipers won't park |
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When I turn off my wipers, they simply stop where they are. Why won't they 'park' at the bottom of the windshield? Thanks
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Eric
Beard Fire Metalworks
Ellsworth, ME
207-242-0016
www.beardfiremetalworks.com |
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Ghiaddict
Samba Member
Joined: November 20, 2002
Posts: 2632
Location: Now in Honea Path, SC
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72Ghia
Samba Member
Joined: November 11, 2007
Posts: 1253
Location: Baltimore Maryland
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SkrapMetal
Samba Hornblaster
Joined: January 18, 2006
Posts: 2558
Location: Dallas, TX
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| Posted: Wed Jul 30, 2008 7:23 pm Post subject: |
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I had the same problem once. Turns out a wire had come unsoldered from the motor. I soldered it back on, problem fixed. It's easy to see these wires if you remove your glove box.
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oo9less since 2007
-72 Ghia- |
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sputnick60
Samba Moderator
Joined: July 22, 2007
Posts: 3915
Location: In Molinya Orbit
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| Posted: Fri Aug 01, 2008 3:30 am Post subject: |
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Referring to the pre-66 wiring scheme on this website. (which doesn't show terminal numbers  )
Look at the fuse box and you will see three black wires on a fuse sitting at one end of the block. One wire goes to the fuel gauge, another to the brake light switch on the master cylinder. The third wire runs to the wiper switch and then jumps from that same terminal to one of the terminals on the wiper motor.
This means voltage is always provided to the wiper motor, bypassing the wiper control. However, inside the motor is a contact that is closed when the wiper is not in the rest position. This will ensure that regardless of the switch, the motor keeps turning when off the rest position. When the switch is turned off AND the wipers are elsewhere on their travel, the internal contact is also closed and the wipers keep moving until arriving at the rest position. At that point the contact opens and motion ceases. (I think I just said the same thing twice)
The other wire(s) between the switch and the motor become "live" only when the switch is on. This is what will start the motor and leaves it running. If you have a two speed motor There is red wire and a black/violet wire. A single speed motor will have just one of those. (I'm not sure which)
If the internal contact is damaged or the black wire is missing, the wiper only moves with the switch control.
I hope this helps
Nicholas
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'66 Karmann Ghia Cabriolet...
'65 Porsche 356C Coupe...
2005 Mecedes Benz C180 Kompressor Estate
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fccperdiem
Samba Member
Joined: August 16, 2005
Posts: 107
Location: Ellsworth, Maine
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| Posted: Fri Aug 01, 2008 2:19 pm Post subject: |
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Sorry guys. I should have mentioned the Ghia is a '71.
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Eric
Beard Fire Metalworks
Ellsworth, ME
207-242-0016
www.beardfiremetalworks.com |
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fccperdiem
Samba Member
Joined: August 16, 2005
Posts: 107
Location: Ellsworth, Maine
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| Posted: Fri Aug 01, 2008 2:21 pm Post subject: |
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Thanks sputnik. I'll go have a look. It's a shame though. Timing the wiper parking has become fun, in an angry way.
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Eric
Beard Fire Metalworks
Ellsworth, ME
207-242-0016
www.beardfiremetalworks.com |
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