1st post but returned to the place that led me to the info of where to look. Found this site on a Google Search.
For starters I have a 2010 Liberty Sport, just bought it in Feb. I have a 2 place 5 x 14 ATV trailer with optional brakes, Liberty came with factory installed Tow Package. After a little searching found where to look for the trailer brake wire. It's under the left front cowl right at the corner of the floor mat. In my case it wasn't a green wire but a
RED WIRE. Confirmed this by looking at the 7 pin plug and checking with a test light.
Wouldn't have thought this
Knee Panel is on a hinge, folds down nice. I got a controller that is removable, and with this flip down, the ribs hold the harness and plug nice when not hooked up. Again confirming with a test light I tapped into the
White with green stripe wire (yellow arrow). A nice feature on this Jeep is they have 2 ground studs right there at the main harness where trailer brake wire goes into. A ring terminal on the ground wire and onto the stud.
Another nice feature is the empty firewall pass through (no picture) located to the right of master cylinder under hood, or upper left corner underneath the drivers side floor. Ran a 10 ga. wire with 20 amp relay fuse from the fuse box stud. I soldered/ shrink tube/ silicone taped splices except brake light switch splice. Used 1 of those blue quick clamp splices.
Finished Shot, after checking where I could mount this thing, this seemed the best place. All said and done, I hooked up to the trailer and everything worked.
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