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1994 e420 wiper doesn't return home, rest, park

1109 Views 11 Replies 7 Participants Last post by  redir, 
R
I call it the einviper.... But anyway when I turn the wipers off the arm swings back left but stops with about 6 inches to go. IT will not go all the way home under the bonnet where it belongs. As such I have failed my annual inspection :(

I've read a few articles out there on it but can't come up with anything conclusive. Some folks talked about cleaning contacts on a very expensive relay but they fail to mention where that relay is. Any thoughts on how I should proceed?

Regards.
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tuttebenne
I used JC220's write up in the past to a good result. The information in step 4 is probably the most important piece of formerly unavailable info on this diabolical mechanism.

As for the OP, I wouldn't be surprised if the plastic semi-circular gear has started to break up. Hope not.
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