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Recommended Trailer Wiring Harness for 2018 Jeep Grand Cherokee without Tow Package


I recently purchased a 2018 Jeep Grand Cherokee which did NOT come with the Tow Package. The dealer however did put the trailer hitch, but it did not come with the wiring harness. I do not believe the Jeep came with the receiver in order to plug the connector in. I took a look under the bumper and did not see the connector there, so I am not sure what exactly I need. I only have a jet ski trailer so I dont require the 7 pin connector. Just trying to determine the best possible solution for this. Thanks!


Expert Reply:

For your 2018 Jeep Grand Cherokee, there is not a custom harness at this time. There are however a couple of universal fit options we can use to get the trailer wiring you need. I recommend using the Upgraded Heavy Duty ModuLite Circuit Protected Vehicle Wiring Harness with Install Kit # 119190KIT. This kit comes with the circuit tester and quick connects to make installation easy. You will need to run a power wire to the vehicle battery for this modulite. I've attached an article to assist with routing that wire.

If you prefer not to use quick splice connectors on your vehicle, you can alternatively use the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit # 119250KIT. This harness captures the signal on your wires without splicing needed. It also requires connection to your vehicle battery.

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