Wiper issues.... | FerrariChat

Wiper issues....

Discussion in '365 GT4 2+2/400/412' started by miami355, Aug 2, 2018.

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  1. miami355

    miami355 Karting

    Sep 2, 2006
    136
    Miami, FL
    #1 miami355, Aug 2, 2018
    I had my mechanic pull the wiper motor/gearbox to inspect and re-grease since they were slow, and now he's having other issues. It seems once the lobe on the gear strikes the contact, the wipers stop instead of returning. Anyone have any clues as to what is wrong?

    David
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  2. Part Time

    Part Time Formula Junior
    Silver Subscribed

    Dec 16, 2013
    494
    Port St. Lucie, Fl
    Full Name:
    Gary Shore
    #2 Part Time, Aug 2, 2018
    David...I fixed my first wiper motor about 40 years ago, the two most popular fixes since then were electrical ground issues and timing. Almost all wiper motors work on using a ground somewhere for either power or shutoff, if you are testing on a bench you won't get the proper operation. Second, if you had it apart to clean and grease, I hope you made a witness mark to make sure the gear assembly went back in the same way.
    Otherwise, it is a dc motor with a reed switch to add an extra "on" cycle. And while you have it off, spend the extra time & clean/lube the wiper linkage & blade pivots also.

    Gary
     
  3. Ferraridoc

    Ferraridoc F1 World Champ
    Owner Silver Subscribed

    Jun 20, 2012
    16,181
    Gold Coast, Aust.
    Full Name:
    Patrick
    #3 Ferraridoc, Aug 3, 2018
    Yeah, +1
    I custom wired my Lotus tarmac rally car with a later wiper motor and couldn't get it to park - the earth wire was lost in a tangle of wires and wasn't grounded. Usually, you notice this only after spending many hours removing and examining it :mad:
     

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