Originally Posted by Boost_lee

1 - Removal of the mirror is not necessary
2 - yes, everyone's layout is the same, he is just suggesting that bolt for a ground point (blk wire)
3 - you dont NEED to cut it, trim the excess as needed.
4 - Mini Add-A-Line (AutoZone part#: 032416) $7.41

And yes, that is a good place to get the radar mount. Just make sure you get the 23mm size