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1966 Fairlane GT convertible

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  • Harry LePargneux
    Apprentice
    • Sep 30 2010
    • 64

    1966 Fairlane GT convertible

    I need to know how to troubleshoot a 2 speed wiper motor for a 1966 Fairlane. The motor has 4 wires - red, yellow, black and white. How do I determine whether the motor works on both speeds without the switch as the switch is broken?
    Second problem: The wiper switch is broken apart and apparently rare. Please let me know where I might find one - picture attached.
    Thank you and Happy Holidays, Harry
    Attached Files
  • jopizz
    Super-Experienced


    • Nov 23 2009
    • 8418

    #2
    This is the switch you need. Ouch! Hopefully you can find one at a better price.


    John
    John Pizzi - Squarebirds Administrator

    Thunderbird Registry #36223
    jopizz@squarebirds.org 856-779-9695

    https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

    Comment

    • Harry LePargneux
      Apprentice
      • Sep 30 2010
      • 64

      #3
      Thank you John for the switch information. Hopefully I can find one more reasonably priced.
      Any idea how I can check the functionality of the wiper motor with out the switch?

      Comment

      • jopizz
        Super-Experienced


        • Nov 23 2009
        • 8418

        #4
        I'm trying to find a wiring diagram for your Fairlane with the two speed wiper motor. No luck so far but I'll keep looking. Do you have the shop manual. It should explain in there how to jump the motor to test each speed.

        John
        John Pizzi - Squarebirds Administrator

        Thunderbird Registry #36223
        jopizz@squarebirds.org 856-779-9695

        https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

        Comment

        • simplyconnected
          Administrator
          • May 26 2009
          • 8810

          #5
          White (950) is +12 that feeds the switch from the fuse block.
          Red & Yellow are the two wiper motor speeds.
          ​Green/Black (951) powers the washer motor from the switch.

          When you call for washers, the switch also turns on the wiper motor, mechanically.

          Using a jumper wire (with the key on), going from White to Red or Yellow gives you either wiper speed. Going from White to Green/Black, turns on the squirts. - Dave
          Member, Sons of the American Revolution

          CLICK HERE to see my custom hydraulic roller 390 FE build.

          "We've got to pause and ask ourselves: How much clean air do we need?"
          --Lee Iacocca

          From: Royal Oak, Michigan

          Comment

          • Harry LePargneux
            Apprentice
            • Sep 30 2010
            • 64

            #6
            I do have the shop manual but it is not very helpful for this problem. Dave's instructions were much better. Thank you both for all your help and Happy Holidays! Harry

            Comment

            • simplyconnected
              Administrator
              • May 26 2009
              • 8810

              #7
              Well Harry, what did you find out about the motor? I have never seen one worn out.
              Happy New Year to you and your family. - Dave
              Member, Sons of the American Revolution

              CLICK HERE to see my custom hydraulic roller 390 FE build.

              "We've got to pause and ask ourselves: How much clean air do we need?"
              --Lee Iacocca

              From: Royal Oak, Michigan

              Comment

              • Harry LePargneux
                Apprentice
                • Sep 30 2010
                • 64

                #8
                The motor does not respond, so I will purchase another once I find a switch.
                Thanks for your help and have a Happy, Healthy New Year. Harry

                Comment

                • Harry LePargneux
                  Apprentice
                  • Sep 30 2010
                  • 64

                  #9
                  I managed to find and install another switch. After cleaning the old waxy grease from the gearbox, the motor works as it should.
                  Thank you for your help.

                  Comment

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