looks good so far.
This weekend I installed a Bazooka BTA850FH in my hatch, I ran the wires down the drivers side, and found that on that ide there is a nice little channel under the carpet about 6 inches from the seat belt anchor point, that the wires fit PERFECTLY into going into the hatch. Idk if there is one on the passenger side but take a look, it might work out better than running them by the seat hinge where you have them now.
Also I dont remember what wire i tapped into for the remote turn on, and most likely got the wrong one, but what one did you use or are planning to use?
ZETEC Crew #26 SR #20 YELLOW BLAZE OWNERS GROUP#4
Moderator Pilot, 12 SE HB ╠╬╝, 2011 Ford Edge SEL AWD