How to repair your windshield wiper governor module

Discussion in 'Gen 1 & 2 - Guides (For How-to guides, NOT how-to ' started by itwonder, Nov 23, 2011.

  1. itwonder

    itwonder SHO Member

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    It's called the windshield wiper "interval governor" in the FSM, but even Ford couldn't agree on the name because it is labeled "wiper control module" inside of the unit. Either way, it can be responsible if your wipers don't work or work sometimes, but not other times. On my car, the wipers would not work unless the switch was left on for 10 minutes or so, and then they would magically start.

    This guide explains how to remove the wiper governor, what to look for inside of it, and how to repair it.

    1. The governor module is located under the dash, more or less above the gas pedal. It is mounted on a plastic bracket along with with other relay modules. Remove the two screws from the bracket (one removed already in the photo). Then lower the bracket and twist it so you can access the governor module.

    [​IMG]

    2. Free the module from the bracket by pushing in the tabs inside the red circles and sliding the module off the tangs. Then disconnect the wiring connector.

    [​IMG]

    3. Pry the two latches on one side of the module off of their retainer tabs. The cover can then be hinged upward and removed.

    [​IMG]

    4. Remove the circuit board from the case. Pry out the two plastic tabs (one on each side) that retain it just enough so the board can be lifted past the tab. You can do this by prying from outside of the case with a thin blade screwdriver. Take care not to damage the circuit board.

    [​IMG]

    [​IMG]

    5. Inspect the back of the circuit board with a magnifying glass and a bright light. On this one, a cracked solder joint is fairly easy to see. The crack may be hairline.

    [​IMG]

    [​IMG]

    6. Re-solder the broken joint; a 15 to 30 watt soldering iron will do a good job.

    [​IMG]

    7. Snap the board back into the case. Attach the cover, taking note that the end of the cover with the large tab goes over the connector. Re-install the module in the car and test operation.

    [​IMG]

    [​IMG]

    This repair will save you about $70 for a new wiper governor module, or a trip to the junkyard to get one that might be cracked too!

    Of course, the multifunction switch and wiper motor must also be evaluated when isolating a problem with the wiper system. Other forum posts cover how to clean a malfunctioning multi-function switch and replace the wiper motor.
     
    SHOdded, shomanbob, SHOVNST and 4 others like this.
  2. Ishodu

    Ishodu Moderator Staff Member

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    Nice work!
     
  3. sperold

    sperold Last to Know

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    Thanks for the tips on this item.
    It is nice to know that anything can be fixed.
     
  4. SHO1

    SHO1 Coke Is It!

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    Good info, thanks!
     
  5. TwistedMunky

    TwistedMunky SHO Member

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    Just wondering mine wont park, only have two modes on and off. They stay were ever you turn them off at. Would this be the module or in the switch?
     
  6. Geek SHO

    Geek SHO SHO Addict

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    Reviving an ancient topic here, but I've had this EXACT problem for several years and only now found this thread. The wipers work fine with the multifunction switch, but refuse to park. The closest I've gotten is to switch it to intermittent, then turn it off during a pause. I knew it was the wiper control module (or governor or whatever, getting the right name was part of the problem) but could not identify which module it was under the dash. I will take another look, but I have a feeling it is different for '89, like so many other components.
     
  7. tommyturbo

    tommyturbo SHO Member

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    I had an issue where the wipers turned on by them selves for three sweeps, like as they do when you push the washer button. Tried cleaning the corrosion on mine, found no bad solder joints, but that didn't resolve my issue, so I just replaced the module...problem solved. Was actually surprised you could still get the module.
     
  8. Nuke

    Nuke SHO Wagon Staff Member Sponsoring Member

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    Ohmigawd. This has to be my issue. There is a little box under my dash that squeals when I try to park my wipers. I already put a brand new wiper motor, and a NOS control stalk in it, and it still doesn't work. Hopefully this will fix it. Otherwise I need a new one for an 87 Sable.

    Thanks!
     
  9. emiaj zerolf

    emiaj zerolf SHO Member

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    The wipers of my 1997 Ford Ranger don't work when I want . This post could be the answer to my problems. Can I see the pics, please?
     
  10. emiaj zerolf

    emiaj zerolf SHO Member

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    I can see them, now. thanks
     

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