https://cimg8.ibsrv.net/gimg/www.jag...1925120c9.jpeg

This is the wiring cover that I need to remove before I can remove the mirror assembly
We just bought a 2000 S type Jaguar, it only has 30,000 miles and is in amazing condition. The rear view mirror looked funny but the dealer had no idea why it looked the way it did, we still bought the car. So the next day I googled it and discovered that it was an auto dimming mirror and it had failed, the chemicals that make it work have broke down and I have to replace the mirror. The Jaguar god’s must be looking out for me, day two of owning the car I found a replacement mirror at a local auto dismantling company for 50.00. The mirror was the same type that is on our car, they told me how to remove the mirror but I have come across another problem. The mirror I have has the compass and the rain detector, the wiring for the mirror comes down the window and has a cover on it. I have to remove this cover first so I can slide the mirror assembly up to remove it. I need to find out how to remove the cover for the wiring. The cover is not attached to the window, it is attached to the mirror assembly and near the top of the window were the wiring comes out. So if anyone knows the trick to removing the cover it would be greatly appreciated.

I took the easy way, I took it to a Safelite AutoGlass shop. They replaced the old with the new as a courtesy, just for a hand shake and great appreciation. Great company