Mopar 82215398AB Hitch Receiver Wiring Harness for 18-19 This trailer towing harness includes everything you need for installing a 7 and 4 way combination plug on your Wrangler JL exactly like the factory heavy duty towing group option. The 7 way plug provides you with reverse and trailer brake circuits. Up front you even get the standardized blue wire for hooking up your aftermarket brake controller. Jeep JL Receiver Hitch | 2018+ Jeep Wrangler Forums (JL wwwanglerforums››General JL / JLU Wrangler DiscussionsMar 22, 2018I opted to save a few dollars and not go with the $800. Max Tow package and figured I would mount a $60. receiver hitch after I got my JL. I have been searching Mopar and many of the Jeep aftermarket sites but no trailer receiver hitch for the JL..Installing JL trailer hitch and wiring harness | 2018Jan 15, 2019Trailer hitch wiring | 2018+ Jeep Wrangler Forums (JLOct 21, 2018Mopar Tow Harness Install | 2018+ Jeep Wrangler Forums (JLJun 01, 2018Jeep JL Receiver Hitch | Page 2 | 2018+ Jeep WranglerApr 18, 2018See more results