Hello neighbors. It's Brad here at etrailer. And today we're taking a look and installing the CURT trailer wiring harness on a 2022 Jeep Wrangler Unlimited. Having a 4 pole trailer wiring is going to be a necessity when pulling a trailer. Reason being is this is gonna send the signals from your vehicle to the trailer that you're pulling. So that's gonna send your running lights, your brake lights,… see more >