http://home.clara.net/hallvw/wire6870.htm
yes, and it has all u need to rebuild.
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VEHICLE: 1968 VOLKSWAGEN BeetleStandard 560-15 155R15 Radial Recommendation: 165R15
wiring diagramfor 1968 windshield wiper motor
http://www.moby302.co.za/wiring/diagrams.html
Through the hole in the outer drum with a straight slot screwdriver.
answer
I use 165/80 R15's on my 68.... But they are getting hard to find.
call year one and see if they have a book on it.
The best place to find a wiring diagram is in the Cadillac Shop Manual. You can find one on eBay in the $50 range. It gives you the wiring diagram and so much more. Mine is becoming threadbare from use.
http://home.clara.net/hallvw/vwwiring.htm has links to most air cooled vw wiring diagrams
You need to purchase a Haynes Manual that is specific to your car.