ok, well I just swap (few week ago) my heated mirros from my old car to my new one, plugged. ( and I now i realized that they are not actually working, they don't deffog. (I had them on the other ccar, and I can clearly see they are not working.
I checked fuse box inside the car... everysing fuse is good. the rear window defog is working fine.

am I going to have to open the door again and check the connectiors.... before I do that is there anyother place I can look into it...
thanks