Installing a Tesla Model Y Juniper Brake Controller

I needed to install a break controller in my Tesla Model Y Juniper before I pick up my new travel trailer. Here's how to do it.

What you'll need for the install:

Brake Controller (the one I purchased):
https://www.etrailer.com/Trailer-Brake-Controller/CURT/C67PQ.html

Trailer Brake ECU Adapter:
https://pimpmyev.com/products/tesla-model-y-x-trailer-brake-ecu-adapter-cable-1072586-00-a-with-acc-switched-power?variant=43813623169280&country=US&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&gad_source=1&gad_campaignid=22455302769&gbraid=0AAAAACL24nbRbCgygJ56W8caJpiEOeve9&gclid=CjwKCAjwtcHPBhADEiwAWo3sJjYmKTguk-wmDy3uozclVKHI-u0oFCH5wN51FdmRe3_12JHifGqarBoCsb8QAvD_BwE

Wire Butt Connectors and a Crimper