I'm looking at doing the auto-dimming interior mirror upgrade...I've got the mirror,I've got the two trim pieces that surround the fitting. What I haven't got is the connecting plug that wires into the car and allows a simple plug in to the mirror itself,does anyone know what the part number for the plug is please? Next question, the black area on the windscreen is smaller than the trim pieces that cover the windscreen fixing....not a problem from inside the car,but pretty ugly from outside.How have you solved this issue if you've carried out this upgrade? I'm hoping there is a neater answer than just paint!