2019 Jeep Cherokee T-One Vehicle Wiring Harness with 4 Aftermarket Trailer Wiring Harness for a 2019 Jeep Cherokee ; For your 2019 Jeep Cherokee, the T-One Vehicle Wiring Harness part # 118779 is a confirmed fit and will work for you. This is a brand new wiring harness that was developed specifically for the 2019 model year and that is all it will fit.4.8/5(10)Category: Custom Fit Vehicle Wiring jeep cherokee trailer wiring kit | eBay Find great deals on eBay for jeep cherokee trailer wiring kit. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword JEEP Cherokee Trailer Tow Wiring Kit 7 Way Round And 4 Way Flat NEW OEM MOPAR See more like this.