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MFS multi function switch

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Old Oct 12, 2017 | 01:24 PM
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Default MFS multi function switch

If my driver side brake lights are out but the passenger side brake lights work can it still be the MFS Does the MFS split it up driver and passenger side
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Old Oct 12, 2017 | 01:54 PM
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so to correct do i replace the MFS
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Old Oct 12, 2017 | 02:25 PM
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Thank you is there instructions any where on how to replace the MFS
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Old Oct 12, 2017 | 02:52 PM
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I would honestly recommend trying to fix your switch, especially if this isn't your primary vehicle.

This link should really break down how to do the repair, its what I used and was able to get my switch working perfectly for free.
http://c5vette.blogspot.com/2015/04/...air-miker.html

If it is your primary vehicle, order one and return it if you can get yours working properly. It really isn't particularly difficult, but then if you're unable to get it working you can just install the new unit and be out a little extra time.
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Old Oct 12, 2017 | 04:53 PM
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I also would consider repairing my original switch following the above posted thread. If it cannot be repaired you can still replace it. I got an replacement AC Delco switch for $125.00 with free shipping. Mine was beyond repair.

Good luck with your repair.
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Old Oct 12, 2017 | 04:58 PM
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where did you get the switch for that price
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Old Oct 12, 2017 | 05:06 PM
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Originally Posted by Black76
where did you get the switch for that price
vettenuts often has them for pretty cheap.
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Old Oct 12, 2017 | 06:39 PM
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Originally Posted by Black76
where did you get the switch for that price
I kept watching the big online auction site and found the one at that price. It was a brand new unit still in the box.
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Old Oct 14, 2017 | 08:20 AM
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I successfully did the repair. It lasted about a year and the problems returned. The repair is simply getting the switch open and bending some preload tension in the contact tabs. Like any metal each time it bends it gets weaker. Eventually that preload goes away. Ended up buying a new switch anyway.

R & R of the switch itself is not to difficult, if you feel like giving it a shot. For me, I'da rather not done it twice, shoulda just bought the switch.
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