Multifunction Switch Going Out, Replace? - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 44 (permalink) Old 03-18-2006, 12:14 PM Thread Starter
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So I'm certain that my switch no longer works because my wipers don't work at all and by testing various parts of the circuit, I've determined that to be the problem. If I order a new one, how hard will it be to replace? I've heard that it requires a lot of rewiring and that it isn't just a matter of unplugging the old one and plugging the new one in? Does anyone have any advice?
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post #2 of 44 (permalink) Old 03-18-2006, 12:51 PM
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They can be cleaned sometimes. I would do this first.

To remove

Disconnect battery

Insert key, turn to the run position and press up into the under the ignition cylinder, not the one with a screw. Pull out ignition cylinder.

Take the three phillips screws that hold the bottom column shroud on from the bottom.

Two torx screws hold the MFS in position.

Disconnect two connectors and remove switch.


Pry off end cap, there is a spring and a small set of contacts inside that will come out. Cleans this area of the hard grease and lightly sand the contact points.

Spray entire switch inside every crevice with WD 40 and work all the motions. Keep doing this until about a half can of WD is gone.

Regrease wiper contacts with petroleum jelly and put cap back on.

Reconnect and try out the switch.

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post #3 of 44 (permalink) Old 03-18-2006, 12:58 PM
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Quote:
Originally posted by dan741749@Mar 18 2006, 01:14 PM
So I'm certain that my switch no longer works because my wipers don't work at all and by testing various parts of the circuit, I've determined that to be the problem.* If I order a new one, how hard will it be to replace?* I've heard that it requires a lot of rewiring and that it isn't just a matter of unplugging the old one and plugging the new one in? Does anyone have any advice?
very simple to swap out,

3 screws for steering column,then 2 torx screws and 2 electrical plugs, and its done, 10 minutes tops.


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post #4 of 44 (permalink) Old 03-18-2006, 07:23 PM
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post #5 of 44 (permalink) Old 03-18-2006, 09:28 PM
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Try cleaning the switch. My wiper control messed up on me a while back. I just cleaned the contacts inside and they've worked fine since. There's instructions in the wiki about how to clean the switch. It pretty easy.


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post #6 of 44 (permalink) Old 03-18-2006, 11:39 PM Thread Starter
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great, thanks a lot
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post #7 of 44 (permalink) Old 03-18-2006, 11:53 PM
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When I cleaned mine, I didn't remove the whole MFS, I just did it with it still on. It might be easier with it off though.

Also, when you take remove the small piece with the copper colored tabs of metal, BE CAREFUL! I accidently bend mine somehow and for some reason, no matter what I do, I can't use any of the intermittent wiper settings. it only goes at the speed of about the middle setting, but now I am just forced to use the HI and LOW setting.

When you do this could you please take a close-up picture of this one part for me so I could possibly bend mine back to their original position?

-Jonathan

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post #8 of 44 (permalink) Old 03-19-2006, 12:06 AM Thread Starter
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Quote:
Originally posted by RoGuE@Mar 19 2006, 12:53 AM
When you do this could you please take a close-up picture of this one part for me so I could possibly bend mine back to their original position?
yep, i'll try to remember
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post #9 of 44 (permalink) Old 03-19-2006, 07:02 AM
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Here are the test procedures for the switch if you have a GEN 3.
Attached Images
File Type: gif MultiFunctionSwitch_test_procedures.gif (23.9 KB, 583 views)

Paul Nimz
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'08 Hyundai Accent
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post #10 of 44 (permalink) Old 03-19-2006, 08:25 AM
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I never thought of mentioning what Rogue did. Those little tabs are easy to bend. I had to bend the tab for my washer fluid because it didn't work to begin with. Problem was, I bent it too far and my washer fluid turned on as soon as I turned the key on. Anyhew after 3 or 4 tried I managed to get it in just the right position.


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