I'm a little unclear on where you are drawing power from. Did you remove the housing for the eyesight cameras? It looks like one solid panel to me...
I threw some pictures together for you.
You will pry the cover below the dome lights off.
This exposes two 8mm bolts to remove.
From the side opposit of the windshield, locate two tabs roughly an inch from the side, you will push in and pull down. The tab is inset, so you can locate it by sliding your pry tool along the inside of the cover.
Gently, pull down behind each of the cameras. I pull one down at a time with my fingers.
I found switched power on my 2016 off the sunroof switch. In my car, this wire is pink/silver.
I tapped a ground off of the sunroof motor.
Upon reassembly, I replaced the cover below the dome lamp, lamp side first.
Sorry, I've slapped this together between my niece's lacrosse games.