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My 2021 F150 Lariat with trailer tow mirrors has faulty heating. Both upper glass sections are not heating. Have others had this issue? And is it difficult to change them out?
Here is a pic of the backside of the drivers side mirror. I just wanted to ID the harnesses. Shown are the Blind Spot located at the upper right, the leads going to the top and bottom I assume are for heating the glass, but what is the dual plug located at the upper left used for?
