3 Speed Wipers

Interior and Electrical

  1. Rifleshooter

    Rifleshooter Well-Known Member

    Messages:
    158
    Likes Received:
    3
    Joined:
    Jan 10, 2017
    Location:
    Pennsylvania
    I have a 3 speed wiper motor on my 80 Volare and for some odd reason it only works as On fast, or Off
     
  2. Justwondering

    Justwondering Well-Known Member

    Messages:
    2,500
    Likes Received:
    575
    Joined:
    Aug 7, 2015
    Location:
    North Texas
    Dang it... I hate it when that happens..
    I just had new wiper blades put on the chrysler and it will now stop raining til the fall.

    From this thread: An Error Has Occurred!

    quote:
    Here you go.

    Bench testing procedure.


    Test #1(Hi speed)


    Connect jumper wire from motor case to battery ground.
    Connect second jumper wire from battery positive to BROWN lead.
    Motor should run hi speed continuously.


    Test #2 (Lo speed)


    Connect jumper wire from motor case to battery ground.
    Connect jumper wire from GREEN wire to battery ground.
    Join BROWN and RED wires together and connect a jumper wire from battery positive to them.
    Motor should run at slower speed.


    Test #3 (Park)


    Connect jumper wire from motor case to battery ground.
    Connect jumper lead from GREEN to BROWN wire.
    Connect jumper wire from red wire to ground.
    Connect jumper wire from Blue wire to battery positive.
    Motor should reverse and park.


    (Depending on where the motor had stopped the park feature may have a full rotation or very short rotation

    Endquote

    Which would lead me to believe the RED wire is the problem.
    Have you checked the power from each of the wires with an multi-meter?
     
  3. Rifleshooter

    Rifleshooter Well-Known Member

    Messages:
    158
    Likes Received:
    3
    Joined:
    Jan 10, 2017
    Location:
    Pennsylvania
    I currently have the blue wire cut on acount of that wire was shorting out on my old motor before I got fried, I connected it on the new motor when I installed it and it didn't run at all
     
  4. Justwondering

    Justwondering Well-Known Member

    Messages:
    2,500
    Likes Received:
    575
    Joined:
    Aug 7, 2015
    Location:
    North Texas
    Someone will chime in that has more expertise with the wiper motor.
    Are you sure your ground is good? You might need to clean where it attaches on each end. Engine grime accumulates quickly.
     
  5. Aspen500

    Aspen500 Well-Known Member

    Messages:
    3,278
    Likes Received:
    946
    Joined:
    Feb 14, 2015
    Location:
    Rib Mountain (Wausau) WI
    In MOST cases, a wiper motor that runs only on high is a problem with the wiper motor itself. Do they park or just stop wherever the switch is turned off? That's also the motor.
    One other question. Does the wiper switch have 3 different positions (OFF, low, med, high)? Only reason I ask is I thought 3 speed wipers weren't available on F-body after '77.
     
  6. Rifleshooter

    Rifleshooter Well-Known Member

    Messages:
    158
    Likes Received:
    3
    Joined:
    Jan 10, 2017
    Location:
    Pennsylvania
    It's an intermitten wiper switch and with the blue wire disconnected it only work as on, which is fast, or off. There is no park as it is right now, and it can't be the motor due to the fact that this is the second motor in a row with the same issue.
     
  7. BudW

    BudW Moderator Staff Member

    Messages:
    3,278
    Likes Received:
    888
    Joined:
    Mar 4, 2012
    Location:
    Oklahoma City
    I don’t have a 1980 FSM (Factory Service Manual) – but I do have a 1977 and 1986 available to me at work. The under dash part “should be” the same as your ’80 and the under hood part should be the same as the ’77 FSM.

    ’86 FSM Wiper pages, first:
    86 Wiper pg 121.JPG

    86 Wiper pg 122.JPG

    86 Wiper pg 123.JPG

    86 Wiper pg 124.JPG

    86 Wiper pg 125.JPG

    86 Wiper pg 126.JPG

    86 Wiper pg 127.JPG

    86 Wiper pg 128.JPG

    86 Wiper pg 129.JPG

    86 Wiper pg 130.JPG
     
  8. BudW

    BudW Moderator Staff Member

    Messages:
    3,278
    Likes Received:
    888
    Joined:
    Mar 4, 2012
    Location:
    Oklahoma City
    ’77 FSM wiper pages:
     

    Attached Files:

  9. BudW

    BudW Moderator Staff Member

    Messages:
    3,278
    Likes Received:
    888
    Joined:
    Mar 4, 2012
    Location:
    Oklahoma City
    And last page
     

    Attached Files:

  10. Justwondering

    Justwondering Well-Known Member

    Messages:
    2,500
    Likes Received:
    575
    Joined:
    Aug 7, 2015
    Location:
    North Texas
    Yep... what he said ... lol
     
  11. Rifleshooter

    Rifleshooter Well-Known Member

    Messages:
    158
    Likes Received:
    3
    Joined:
    Jan 10, 2017
    Location:
    Pennsylvania
    Is there a way to bench test the intermittent wiper control module? I looked under my dash and followed as many wires from wiper switch as I could find and they all went to proper places
     
  12. BudW

    BudW Moderator Staff Member

    Messages:
    3,278
    Likes Received:
    888
    Joined:
    Mar 4, 2012
    Location:
    Oklahoma City
    I’ve not heard of a bench test for one.

    There are four things that go wrong with intermittent wipers: wiper switch, wiper motor, intermittent wiper module and wiring harness.

    The harness is the least likely suspect.
    The switch and motor are the most likely suspects.

    Generally the test procedures get you to test the wiring harness and switch (at same time) and motor. If both test OK – then generally the module is what’s left.
    BudW

    Note: It does help to have “known good” parts available, to test with . . .
     
    volareandgtcat likes this.
  13. Rifleshooter

    Rifleshooter Well-Known Member

    Messages:
    158
    Likes Received:
    3
    Joined:
    Jan 10, 2017
    Location:
    Pennsylvania
    The wiper switch and wiper motor are ew and fully functional, so I guess that would leave the remaining 2