Tekonsha P3 install, late model Ford

Tekonsha got back to me and said basically the current used by the 3rd brake light etc was not a problem, so an install on the 2013 without an isolating relay should work perfectly. I already wired up and installed the relay so I expect to keep it, leaving well enough alone.
I need to find an alternative to google photos, even I can't see them unless I sign in. When I do I'll make my pics easier to see.