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Old 02-13-2013, 03:36 PM   #35
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Join Date: Jan 2013
Fan#: 109270
Location: Eugene, OR
What I Drive: 2012 Ford Focus

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[QUOTE=a_2000_se;4579342]Of the many type of sensors it's probably a thermistor - fairly inexpensive - resistance changes with temperature. And since they have changed the mirror assembly already then it points to a problem with a connector/contact/resistance that is changing slightly with temp or vibration. Mirrors aren't heated on a 2012/focus?[/QUOTE

The mirrors are not heated on my car.

The connectors is something I heard one of the Ford mechanics mention but they did not look any further since it was within the + or - 3 degrees at the time which met factory specs.

I would not mind testing the connectors myself. I am guessing there is one at the mirror assembly and one more under the dash somewhere? I would guess I am just looking for loose connections and checking the resistance with a multi meter?

Thank you
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