How To Install a 7-Way on a 2017 Ford Expedition XLT

Question

Question:

Would like to install a 7 pin RV connector to tow a travel trailer. Not sure which parts I need to make this happen. Do I also need a brake controller? Thanks for the help

asked by: Adam L

1

Helpful Expert Reply:

If you already have a 4-way trailer connector on your 2017 Ford Expedition and you need a 7-way trailer connector then I have two options for you. Please note that if the trailer you are towing has a 7-way trailer connector then odds are this is because it has brakes therefore you will need a brake controller as well.

The first option I have for you requires the least amount of modifications to the tow vehicle and it will be the easiest to install. This option entails both the 7-Way RV Upgrade Kit for Trailer Brake Controller Installation part # ETBC7L and the Curt Echo Mobile Trailer Brake Controller part # C51180. The 7-way will plug into the 4-way you already have installed and will then require that you run a power wire to a bundle of wires on the driver frame rail near the spare tire. There will also be a white wire you need to ground to the frame. The brake controller is wireless so there are no additional connections to make inside the vehicle.

The second option I have for you is a bit more cost effective but this also means that there will need to be more modifications made to the vehicle as well as requiring more work for installation. This option entails both the 7-Way RV Upgrade Kit for Trailer Brake Controller Installation part # ETBC7 and a standard brake controller like the Tekonsha Prodigy P2 Trailer Brake Controller part # 90885 with the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers part # 22292. This 7-way will also plug into the the 4-way you already have installed but in addition to the power wire that gets ran to a bundle of wires on the driver frame rail near the spare tire, you will also have to run the brake output wire to this location as well as making connections inside the vehicle for the brake controller. The white wire will need to be grounded to the frame as well.

I have attached an install video on the above 7-way for you as well which should help with running the wires.

expert reply by: Conner L

1

Answer 1

In order to add a 7-Way trailer connector to your 2017 Ford Expedition you will need to use #ETBC7. There isn't a plug and play type of harness to add a 7-Way to your Expedition. I have included some links that show and explain the ETBC7…

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Answer 2

I don't think that your wheel size (or lack thereof) has anything to do with the bearings on your HF trailer drying out as much as it is likely that the seal blew out from overfilling the grease or poor installation. This isn't uncommon when…

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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

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 5

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 6

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 7

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 8

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 9

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 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

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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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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How To Install a 7-Way on a 2017 Ford Expedition XLT

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