How To Install 5-Way Trailer Connector On 2015 Jeep Wrangler Unlimited

Question

Question:

Can you help me understand this: The blue wire from the Tow Ready adapter will splice into the reverse light circuit on your Pacifica, which can be found at the back of your tail light assemblies. I recommend using a circuit tester, like part # 40376, to test for the reverse light wire before making any connections. I just bought a trailer with the flat 5 pole including blue for brake override. My Jeep on has a 4 pole flat which did not work when connected. I want to replace the harness in the Jeep and want to know if I can put the 5 pole harness in or adapter. What is involved in splicing the reverse light circuit? Thank you.

asked by: Chris L

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Expert Reply:

I do have an option for you but there are only 4 and 7-way trailer wiring harness options for a 2015 Jeep Wrangler Unlimited, I recommend the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part # 118416 for a 4-way. This can then be adapted to a 5-way using the Curt Trailer Connector Adapter part # C57187. The blue wire must be spliced into the reverse light circuit on the vehicle. This can indeed be best found behind the tail light. You will need to test each of the wires to identity the reverse light circuit.

expert reply by: Conner L

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Answer 1

The Curt T-Connector Vehicle Wiring Harness part #C56270 which is a fit for a 2018 Ram ProMaster City can be installed so that the trailer connector is stored outside of the vehicle. In order to do so you will simply need to route the trailer…

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Answer 2

The best way to add a 5-Way connector to your 2016 Jeep Wrangler is by using the Tow Ready Adapter #20036. This plugs into an existing 4-Way on your vehicle, like the T-One #118416, for the basic trailer light functions, and then you splice in the…

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Answer 3

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 4

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 5

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 6

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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Answer 7

Hey Jonathon thank you so much for all of that additional information! To haul your bikes behind your class C Sprinter motorhome, while flat towing your Mini, I recommend the Hollywood Racks RV Rider Bike Rack item #HLY64FR and the Roadmaster Dual…

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Answer 8

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 9

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 10

Both the Roadmaster and Blue Ox tow bars are great options. But if it was my decision to make I would go with the Blue Ox Avail part #BX7420 as we have found that the Blue Ox tow bars are a little easier to connect and disconnect from. Also this tow…

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Answer 11

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Answer 12

Hey Kelvin, welcome back. To flat tow a 2026 Ford Maverick with your Demco Commander II Tow Bar item #DM9511012, I recommend the following parts: Baseplate Kit - Demco Tabless Base Plate Kit item #DM38CV Wiring Harness - Roadmaster Diode 7-Wire to…

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How To Install 5-Way Trailer Connector On 2015 Jeep Wrangler Unlimited

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