For a 2017–2023 Chrysler Pacifica, there is no factory-installed trailer brake controller built into the vehicle. Instead, the Pacifica is pre-wired (with tow package) and relies on an aftermarket brake controller if you’re towing a trailer with electric brakes.
Here’s a clear breakdown of how the brake controller function works on a Pacifica in that year range.
Measurements
2 Ft 7" x 1" x 1"
