Thank you, folks, for the info. I ended up towing the trailer last week without the brake controller. It was not too long of a trip and not too demanding for the truck.
Now, when I am not in a hurry anymore, I will take some time and play with a multimeter, identify the correct wires, and share...
I agree. I’m not going to cut any wire. Im looking at some other ways to get the controller installed. I do have a connection at the back where I added the pigtail and have been towing a trailer with no issues. However, I want to add the brake controller since I started to tow a larger trailer...
Hi all. I’m trying to install Tekonsha P3 brake controller on my 2019 STX. It seems pretty straightforward installation once you locate the four lose wire ends. Somehow, I located the wires, but they are wired to the other connector ( I believe marked as J7) under the dashboard above the fuses...