Recommended 7-Way Trailer Wiring Harness with 4-Way and Brake Controller

Question

Question:

Hello! Hope all is well with yall during the pandemic! I would like to tow a 1,000 pound camper with brakes and a 7-way round connector. Please tell me what my options are for purchasing a wiring harness for this camper, including appropriate brake controller options, and the option for a flat-4 connector should I want to rent a uHaul trailer. Many, many thank yous in advance, Jimi Mello PS- the XLT as Im sure you already know is the longer wheel-base version.

asked by: Jimi M

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Expert Reply:

The Tekonsha OEM Replacement Vehicle Wiring Harness w Brake Controller Adapter part # 22114 is the best option for a 2018 Ford Transit T350 (All Models with Single Rear Wheels) as it requires the least amount of modifications needed. That said, this comes with a 7-way trailer connector only so if you needed both a 7-way and 4-way you would also need the 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket part # HM40975 to replace the one that comes with the above. For a brake controller, the Tekonsha Primus IQ Trailer Brake Controller part # TK90160 will be a great option.

expert reply by: Conner L

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Answer 1

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 2

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 3

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 4

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 5

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 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

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 8

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 9

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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Answer 10

The main difference between the Curt Trailer Hitch Receiver part #C13416 and the EcoHitch Hidden Trailer Hitch Receiver part #EH97FR is that the EcoHitch has a completely hidden cross tube whereas the Curt cross tube will be visible from the rear of…

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Answer 11

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 12

Actually, the P3 now has the upgraded axis accelerometer like the P2. The Tekonsha P3 Trailer Brake Controller #90195, will work with both electric over hydraulic brakes on the trailer as well as electric brakes. It has a menu option on the display…

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Recommended 7-Way Trailer Wiring Harness with 4-Way and Brake Controller

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