Recommended Flat-Tow Wiring Harness for a 2019 Ford F-150

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Question:

Hi, We own a 45 ft motorhome and need to tow a Ford F150 sports 4x4. Is this the right electrical cable 7 way to 4 way

asked by: Monique R

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Expert Reply:

In order to flat tow a 2019 Ford F-150 you will need a number of components (which I have attached for you below) and this does include a flat-tow wiring harness. The flat-tow wiring harness will take input from the motorhome's lighting signals and then apply these to the towed vehicle.The flat-tow wiring harness is going to be composed of two components, the umbilical which bridges the gap between the tow vehicle/toad and the trailer side flat-tow wiring harness which is what gets spliced into the toad vehicle's tail lights and connects to the umbilical. For this, the best all inclusive option we have is the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit part # RM-15267.

Roadmaster Direct-Connect Base Plate Kit part # RM-524431-5
Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar part # RM-676
Roadmaster Brake-Lite Relay Kit for Towed Vehicles part # RM-88400
Blue Ox Patriot Portable Braking System part # BLU37TR
Roadmaster Battery Charge Line Kit for Towed Vehicles part # RM-156-25

The Hopkins Heavy-Duty Trailer Coiled Wire Adapter for 7-Way to 4-Wire Flat part # HM47065 is simply the umbilical and only half of what is needed.

expert reply by: Conner L

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Answer 1

When it comes to choosing between the Blue Ox Patriot #BLU37TR and the Brake Buddy Select 3 #HM39524, these systems are extremely similar in their setup and functionality. Both of these systems provide proportional braking in a compact and easy to…

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Answer 2

The Blue Ox Patriot #BLU37TR is the same thing as the BRK2022 and is the newest version of Blue Ox's Patriot Supplemental Braking System. This version is slightly smaller and weighs less than the BRK2019 model and will eventually have an app to…

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Answer 3

The difference between the #RM-4700 and the #RM-4750 is being able to use them with your base plates. If you have the crossbar on your base plates you will need part #RM-4700. The RM-4750 is not compatible with other style base plates.

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Answer 4

A base plate kit is the hardware that gets bolted to the front of a vehicle which is what provides the attachment point for a tow bar when flat towing. I attached a link to this page that is a help article that covers what base plate kits are as well…

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Answer 5

Braking systems like this are universal and not custom fit for any specific vehicle, so yes, the Demco Stay-IN-Play DUO Supplemental Braking System w/ Wireless Coachlink Monitor #DM86VR does indeed fit your 2019 Ford Fusion Titanium Hybrid.

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Answer 6

The center pin of the 7-way is wired for a reverse light circuit. The Blue Ox wiring 7-way to 6-way has to do with 7-way trailer wiring circuits and reduces to the 6-way input wiring for the tow vehicle. The 7-way is labeled as open at the 7-way end…

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Answer 7

You have done your homework for your 2019 Ford F-150 4x4. You can use either the Roadmaster EZ5 #RM-524431-5 base plates or the EZ4 #RM-524431-4. The difference is the EZ5 directly connect to the tow bar and the EZ4 will use a crossbar for…

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Answer 8

We have everything you'll need to safely flat tow your 2019 Ford F-150 Raptor behind your motorhome. The first thing you'll need is a base plate kit like the Direct Connect Roadmaster part #RM-524431-5. In addition to the base plates, you…

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Answer 9

I'm happy to help you get your 2019 Ford F-150 ready to flat tow! The Stay-IN-Play DUO braking system is another excellent choice and by going that route you won't need the Stop Light Switch Kit #RM89ZR but you will still need the Relay Kit…

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Answer 10

You will most likely need a brake light relay when flat towing your 2000 Jeep Wrangler. The #RM-88400 relay is required to prevent the towed vehicle's brake signal from overriding the turn signal from the RV when applying the brakes during a…

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Answer 11

The Roadmaster Universal Hy-Power Diode Wiring Kit part #RM-154 will use the brake light bulb to display both the brake and turn signal circuits. The turn signal bulb will then not be used while the vehicle is in tow but it would still work as normal…

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Answer 12

Yes, the Roadmaster Tail Light Wiring Kit for Towed Vehicles, #RM-152-LED, will operate tail, stop, and turn signals with one LED blub per side of the vehicle.

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Recommended Flat-Tow Wiring Harness for a 2019 Ford F-150

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