Hopefully not too late to "come to the party" :grin: :grin:apparently fron an AX.
drilled one of my doors...eek..i do hope there in the right place!
But you may wish to leave the section going through said grommets untaped !!! This will give you slightly more flexibility, also leave a little slack at each end, this will allow for any movement etc, and helps to keep the grommets in place.
Also make sure that the harness is well clear and UNABLE to foul on the window winder mech or door glass etc......