2018 Ford Flex Trailer Wiring

Name: T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
Brand: Tekonsha
SKU: 118472
Price: 43.7 USD
Availability: InStock
Rating: 4.78928571428571 (280 reviews)

Expert Review Video:

best-2018-ford-flex-custom-fit-vehicle-wiring

Best 2018 Ford Flex Trailer Wiring Options

Select Vehicle Style:

Filter Results

Combined wiring system - brake and turn signals are sent along the same wire.

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
without factory tow package

280 reviews

Code: 118472

$43.70

Retail:$62.18

You Save: 30%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
Visible
No Converter
No Tow Package
Plug and Lead
4 Flat
Plug-In

Plug-In Location:

Behind driver and passenger side tail lights

Features:

Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required.

More Information >

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
without factory tow package

44 reviews

Code: C56343

$61.05

Retail:$101.95

You Save: 40%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
Hidden
Powered Converter
No Tow Package
Plug and Lead
4 Flat
Plug-In

Plug-In Location:

Behind driver and passenger side tail lights - inside trunk

Features:

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.

More Information >

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Pole Flat Connectors
with factory Tow Package

664 reviews

Code: C55774

$31.44

Retail:$52.80

You Save: 40%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
No Converter
Factory Tow Package
Plug and Lead
4 Flat
7 Round - Blade
Plug-In

Features:

Quickly and easily install a 7-way and a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package wiring harness - no cutting, splicing or tapping required.

Installation Notes:

For vehicles with factory tow package; may require additional components or may be used as a replacement harness

More Information >

Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors
with factory Tow Package

377 reviews

Code: 30955

$39.47

Retail:$74.27

You Save: 47%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
No Converter
No Tow Package
Plug and Lead
4 Flat
7 Round - Blade
Plug-In

Installation Notes:

For vehicles with factory tow package; may require additional components or may be used as a replacement harness

More Information >

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector
with factory Tow Package

662 reviews

Code: C55384

$30.28

Retail:$52.66

You Save: 42%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
No Converter
Factory Tow Package
Plug and Lead
4 Flat
Plug-In

Plug-In Location:

Under vehicle, center

Features:

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into 7-way OEM tow package wiring harness - no cutting, splicing or tapping required.

Installation Notes:

For vehicles with factory tow package; may require additional components or may be used as a replacement harness

More Information >

Reese Multi-Plug Wiring Harness for Factory Tow Package - 7-Way and 4-Way Flat Trailer Connectors
with factory Tow Package

258 reviews

Code: 74682

$40.62

Retail:$72.00

You Save: 44%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
No Converter
Factory Tow Package
Plug and Lead
4 Flat
7 Round - Blade
Plug-In

Plug-In Location:

Under vehicle, center

Features:

Quickly and easily install this custom harness to get a 7-way and a 4-way trailer connector on your vehicle. Connector plugs into OEM tow package wiring harness - no cutting or splicing required. Weathertight seal deters damage from water and debris.

More Information >

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 6-Way Round and 4-Flat Connectors
with factory Tow Package

2 reviews

Code: C55664

$26.14

Retail:$43.66

You Save: 40%

In Stock

Custom Fit Vehicle Wiring Specs:

Trailer Hitch Wiring
Vehicle End Connector
Visible
No Converter
Factory Tow Package
Plug and Lead
4 Flat
6 Round
Plug-In

Plug-In Location:

Under vehicle, center

Features:

Quickly and easily install a 6-way and a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package wiring harness - no cutting, splicing or tapping required.

Installation Notes:

For vehicles with factory tow package; may require additional components or may be used as a replacement harness

More Information >

Explore Expert Info

on Custom Fit Vehicle Wiring

Videos

for Custom Fit Vehicle Wiring

Help Articles

for Custom Fit Vehicle Wiring

Expert Answers

for Custom Fit Vehicle Wiring

Finding the Right Trailer Wiring Harness

Curt T-Connector Vehicle Wiring Harness Review C56040

How to Choose a Trailer Brake Controller

Curt Powered Tail Light Converter Installation - 2023 Kia Telluride

Feature Breakdown: Universal Installation Kit for Trailer Brake Controller

The Low-Down on the Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

Mounting Bracket 4-Pole Flat: The Breakdown

In-Depth Review of the Universal Installation Kit for Trailer Brake Controller

Curt T-Connector Vehicle Wiring Harness Installation - 2024 Honda Pilot

Curt T-Connector Vehicle Wiring Harness Installation - 2024 Toyota RAV4

Curt Mounting Bracket for 4-Pole Flat Trailer Connector Review

Installing the T-One Vehicle Wiring Harness on a 2024 Nissan Frontier

Brake Controller 7- and 4-Way Installation Kit (ETBC7)

Trailer Wiring Diagrams

Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)

How to Measure for Trailer Hitch Drop

My Trailer Hitch Doesn't Fit

Brake Controller Installation: Starting from Scratch

Wiring Trailer Lights with a 4-Way Plug (It's Easier Than You Think)

Rooftop Cargo Carriers

How to Choose the Right Trailer Hitch Class

Best Bike Racks for Electric Bikes

Trailer Hitch Installation Tips

5 Things to Know About Weight Distribution Hitches

What is the Difference Between a Class II and a Class III Hitch?

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…

view full answer...

What is the Difference Between a 4-Way and 7-Way Trailer Connector

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…

view full answer...

What Is An OEM Prep Package And How Do I Know If I Have It

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…

view full answer...

Difference Between Curt and etrailer Trailer Hitch Receivers for 2020 Chevy Colorado

There is only one difference between the Curt Trailer Hitch Receiver #C13176 and etrailer Trailer Hitch Receiver #e98909 that fit your 2020 Chevrolet Colorado, which is the finish. The Curt trailer hitch has a glossy black finish while the etrailer…

view full answer...

Hey Tim, The ZCI Circuit Protected Vehicle Wiring Harness #119250KIT is compatible with LED lights and has been used as a go to for years for people who have LED trailer lights. The light function is supposed send a tiny bit of voltage from the…

view full answer...

Hi Jerry, For your 2025 Kia Sorento PHEV you would need the Curt Trailer Hitch Receiver #C37RV for the trailer hitch. The right light kit for your Sorento is going to depend on a few factors. For models with the tow package, like you stated you have,…

view full answer...

My Vehicle has a 4-Pin Trailer Plug, but Trailer has 7-Pin Trailer Plug

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…

view full answer...

Difference Between Curt & etrailer Trailer Hitches For 2024 Subaru Crosstrek Wilderness

Yep, so long as your 2024 Subaru Crosstrek Wilderness is not a hybrid both the Curt and etrailer hitches will fit: - Curt Trailer Hitch Receiver #C13382 - etrailer Trailer Hitch Receiver #e98912 The only difference besides price is the finish; the…

view full answer...

Comparing the Curt Hitch C13416 and EcoHitch Hitch 306-X7396 for a 2019 Toyota RAV4

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…

view full answer...

Does Truck with 6-1/2 ft bed Have to Use Slider Hitch for Turning Clearance with Fifth Wheel Hitch

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

view full answer...

Differences Between Curt, Draw-Tite, and etrailer.com Trailer Hitches for 2019 Subaru Outback Wagon

I definitely understand being a bit overwhelmed by the amount of options in front of you, however I can definitely help with differentiating the trailer hitches for your 2019 Subaru Outback Wagon along with explaining my personal recommendation,…

view full answer...

Trailer Wiring Harness for 2024 Hyundai Santa Fe

Hey Charles, yes we do have the Curt trailer wiring harness part #C98RV that is a confirmed fit for your 2024 Hyundai Santa Fe.

view full answer...