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Technical Wiper Wiring with 2-Speed & Park?

Discussion in 'The Hokey Ass Message Board' started by 4woody, Aug 24, 2016.

  1. 4woody
    Joined: Sep 4, 2002
    Posts: 2,110

    4woody
    Member

    My project is getting a new wiper motor & switch. The motor is a one used in some Saturn & VW cars. It has 5 wires:
    1. Park1
    2. Park2
    3. Ground
    4. Fast Power
    5. Slow Power
    Found a pic of similar:
    [​IMG]

    The switch is a Ron Francis WS-51
    https://www.ronfrancis.com/images/WS51-INST.pdf which has 1 wire going to Park.

    What goes on the other "Park" terminal on the wiper motor?
    After I get this wired I'll put up some notes on the HAMB. If it goes as planned it'll be a good cheap wiper solution.
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 59,226

    squirrel
    Member

    figure out a specific application for the motor, find the wiring diagram for that car, and go from there.
     
  3. David Gersic
    Joined: Feb 15, 2015
    Posts: 2,802

    David Gersic
    Member
    from DeKalb, IL

    Could be that Park1 returns the wipers to the end of stroke, and Park2 brings them below that (hidden when off).


    Sent from my iPad using The H.A.M.B. mobile app
     
  4. gnichols
    Joined: Mar 6, 2008
    Posts: 11,403

    gnichols
    Member
    from Tampa, FL

    Park2 could either be for cars that are built to drive on the opposite side of the road, so their wipers may have to park in another position, or to park a rear window wiper. Just bench test it. Gary
     
  5. 4woody
    Joined: Sep 4, 2002
    Posts: 2,110

    4woody
    Member

    Well...
    I wired it up and neither "Park" wire parked it.
    Is there a way to test the park function without using the switch?
    Both the switch & the motor are new, but the intermittent delay function isn't working either, so I'm suspicious of the switch.
     
  6. 4woody
    Joined: Sep 4, 2002
    Posts: 2,110

    4woody
    Member

    Got it: One park wire wants unswitched power, the other connects to the switch as you'd expect.
     
    David Gersic likes this.
  7. gnichols
    Joined: Mar 6, 2008
    Posts: 11,403

    gnichols
    Member
    from Tampa, FL

    Man, I woulda lost that bet! Interesting. Gary
     

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