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Old Jan 2, 2012 | 11:38 AM
  #1  
Toyhauler Tug's Avatar
Toyhauler Tug
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Mystery Plug

I have a '12 350 with a 6.7 diesel. On the bottom of my passenger mirror is a little door of sorts that can be opened with a flat head screwdriver. on the inside of this door is a modular plug attached to the door. Does anyone know what this plug is for?
 
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Old Jan 2, 2012 | 12:08 PM
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Do you mean outside mirror? Are you referring to an electrical connector?
If so, it could be lights and temp sensor.
 
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Old Jan 2, 2012 | 12:17 PM
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Yes, the outside passenger mirror. No such access on drivers side mirror. It is electric as it has wires running off the back of it but it seems to be parked on a dummy male connector, which is part of the door.
 
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Old Jan 2, 2012 | 12:59 PM
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its possibly heated mirror, power extend, power fold option plug... cant tell you for sure, but on my 08. under almost every door and panel has a harness into a dummy plug, for all the options i dont have.... its cheaper for a manufacturer to make less parts... so wire harness usually include most all the connectors but if you dont have the option, they dummy plug it
 
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Old Jan 2, 2012 | 04:41 PM
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It's for the outside temperature sensor. I saw the schematics for the mirror, and that's where the temp sensor goes.
 
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Old Jan 3, 2012 | 03:05 PM
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Thanx Ed! Ever since I was a boy I had to take everything apart and try to find out how it worked. Drove my mama crazy!
 
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Old Jan 3, 2012 | 06:58 PM
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Originally Posted by Toyhauler Tug
Thanx Ed! Ever since I was a boy I had to take everything apart and try to find out how it worked. Drove my mama crazy!
Same... my excuse is "I'm cleaning the insides."
 
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