'19 XLE AWD
I finally put together a writeup for how I went about installing my 7-pin wiring harness with full brake controller functionality. I have a 2019 XLE AWD. The attached PDF is probably the best thing to look at, but I'm attaching all my photos I documented along the way. They should line up and work together:
I'm open to any criticism or any input anyone has. There weren't any solid documents on how to do this when I first started it all, so a lot of this was me figuring out / inferring things on my own. Some recent stuff has been coming out pertaining to the gen 5, so people have probably figured out some better ways to go about some portions of this (for example: just recently I saw a Russian video showing a prefab hole penetrating the firewall behind the battery, oops!). I eventually reached the finish line and I'm proud of myself for doing so.
Hopefully some of you can get some use out of this!-
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