Custom Fit Trailer Wiring Harness Recommendation for 2018 Jeep JL Wrangler

Question

Question:

I’m in search of a 4-way flat harness for the new Jeep Wrangler JL 2018. Nothing on the market as yet that I can find. Any ideas? I’m hoping I don’t have to splice...but...?

asked by: Clay M

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Expert Reply:

For the 2018 Jeep Wrangler JL that you have we have the Tekonsha 4-way kit part # 118786 which is a confirmed custom fit and would work well. This installs by plugging inline with the tailight harnesses of your Jeep as you can see in the install instructions I attached below.

expert reply by: Jameson C

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Answer 1

Hi Ken, Starting with the wiring harness, I can verify for you the correct fit for the 2018 Jeep Wrangler Unlimited without a tow package is indeed the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #118786. Then for the hitches, the…

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Answer 2

If you are looking for a quick and easy plug and play wiring to get your 2021 Jeep Wrangler JL set up to be flat towed behind an RV, then the Curt #C96JR will not require a wire to the battery. This will plug in behind the tail lights and then follow…

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Answer 3

Hey Steve, so between the hitches that fit your 2022 Jeep Wrangler Sahara the etrailer part #e98856 and the Curt #C13392 have the exact same dimensions, and the Draw Tite part #DT78MR is slightly different. The only real difference is the length of…

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Answer 4

The wiring you need to add a brake controller and tow a trailer with electric brakes with your 2018 Jeep Wrangler JL Unlimited starts with a 4-way, the T-One Vehicle Wiring Harness #118786, and I've added a link to an install video of this…

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Answer 5

To get a 5-way on your 2019 Jeep Wrangler, you will install a 4-way and then adapt it into a 5-way. The T-One Vehicle Wiring Harness #118786 will provide you with the needed 4-way. This 4-way is the "direct connect" style you are wanting.…

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Answer 6

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 7

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 8

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 9

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 10

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 11

To install a Redarc Tow Pro Liberty in your 2023 Toyota Tacoma Sport you will need the following parts: Redarc Tow-Pro Liberty Brake Controller item #RED24FR Plug-and-Play Wiring Harness for Redarc Tow-Pro Trailer Brake Controllers item #RED99FR…

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Answer 12

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Custom Fit Trailer Wiring Harness Recommendation for 2018 Jeep JL Wrangler

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