2018 Ford F-250 Super Duty Vehicle Tow Bar Wiring

Name: Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord
Brand: Roadmaster
SKU: RM-15267
Price: 146.94 USD
Availability: InStock
Rating: 4.76275679257787 (3018 reviews)

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Choosing the Right Tow Bar Wiring

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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord

3018 reviews

Code: RM-15267

$146.94

Retail:$206.35

You Save: $59.41

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your towed car. Diodes prevent damage from electrical feedback. Includes 7-way to 6-way coiled adapter cord and 6-way socket.

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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 4-Way Flat Connectors

3018 reviews

Code: RM-154

$89.89

Retail:$117.98

You Save: 24%

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
4 Flat

Features:

This wiring kit carries your RV's brake and turn signals to your towed car's tail lights. Diodes prevent damage from electrical feedback. Connects RV and towed car with 4-pole flat plugs. Includes installation hardware.

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Demco 4-Diode Universal Tail Light Wiring Kit for Towed Vehicles - 7-Way to 6-Way Adapter Cord

83 reviews

Code: DM9523010-54

$224.33

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to correctly display your RV's brake and turn signals on your vehicle tail lights. Includes coiled 7-way to 6-way adapter cable and 6-way car-side socket.

More Information >

Roadmaster Bulb and Socket Tail Light Wiring Kit for Towed Vehicles - Incandescent

434 reviews

Code: RM-155

$75.33

Retail:$93.91

You Save: 20%

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
Universal Fit

Features:

These lights get turn and brake signals on your towed car without splicing into its wiring, eliminating the risk of damage from electrical feedback. They mount inside your vehicle's tail light housing, with the wiring out of sight.

More Information >

Blue Ox Bulb and Socket Tail Light Wiring Kit for Towed Vehicles - Incandescent

166 reviews

Code: BX8869

$56.10

Retail:$71.00

You Save: 21%

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
Universal Fit

Features:

More Information >

Curt Universal Tail Light Wiring Kit for Towed Vehicles - 4-Way Flat Connectors

114 reviews

Code: C63CR

$76.57

Retail:$132.95

You Save: 42%

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Wiring Harness
Universal Fit
4 Flat

Features:

Get a head-start on wiring your towed car before you even get the installation started. This kit comes with butt connectors pre-installed and ready to splice into your wiring. Integrated block diodes protect your vehicle from electrical feedback.

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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Hybrid Adapter Cord

3018 reviews

Code: RM-152-1676-7

$250.77

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to carry your RV's brake and turn signals to your towed car's tail lights. Diodes prevent electrical feedback. The hybrid coiled/straight adapter cord is ideal for tow bars with channel guides.

More Information >

Roadmaster Bulb and Socket Tail Light Wiring Kit for Towed Vehicles - Red LEDs

434 reviews

Code: RM-152-LED

$111.49

Retail:$164.41

You Save: $52.92

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
Universal Fit

Features:

These lights get turn and brake signals on your towed car without splicing into its wiring. They mount inside your vehicle's tail light housing, with the wiring out of sight. The LEDs are efficient, long-lasting, and bright. 450 Lumens per bulb.

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Roadmaster Bulb and Socket Tail Light Wiring Kit w/ 7-Way to 6-Way Adapter Cord - Red LEDs

434 reviews

Code: RM-152-LED-7

$255.75

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to display brake and turn signals on your towed car. Bright LEDs mount inside your vehicle's tail light housings, with the wiring out of sight. Includes 7-to-6-wire adapter cable and 6-wire socket.

More Information >

Roadmaster Diode 7-Wire to 4-Wire Flexo-Coil Wiring Kit

138 reviews

Code: RM-15247

$152.83

Retail:$198.11

You Save: $45.28

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit

Features:

Diode kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Includes 7-wire to 4-wire Flexo-Coil electrical cord.

More Information >

Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Straight Adapter Cord

3018 reviews

Code: RM-152-98146-7

$206.71

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to carry your RV's brake and turn signals to your towed car's tail lights. Diodes prevent electrical feedback. The straight 7-to-6-wire adapter cord is ideal for tow bars with channel guides.

More Information >

Blue Ox Bulb and Socket Tail Light Wiring Kit for Towed Vehicles - Red LEDs

166 reviews

Code: BX88267

$94.04

Retail:$183.74

You Save: 49%

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
Universal Fit

Features:

These bright little lights get turn and brake signals on your towed car without splicing into its wiring. They install right into the tail light housing, with the wiring out of sight. These ones are so small they'll be easy to find space for.

More Information >

Explore Expert Info

on Flat Tow Wiring Harness

Videos

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Help Articles

for Flat Tow Wiring Harness

Expert Answers

for Flat Tow Wiring Harness

An In-Depth Look at the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit

An In-Depth Look at the Roadmaster Battery Charge Line Kit for Towed Vehicles

Choosing the Right Tow Bar Wiring

Breaking Down the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit

Breaking Down the Blue Ox Patriot Portable Flat Tow Brake System

Installation: Blue Ox Patriot Portable Flat Tow Brake System on a 2022 Ford F-150

Setting up the Curt Custom Tail Light Wiring Kit for Towed Vehicles on a 2023 Jeep Wrangler

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Complete Breakdown of the Roadmaster Battery Charge Line Kit for Towed Vehicles

Installation: Curt Custom Tail Light Wiring Kit for Towed Vehicles on a 2024 Jeep Wrangler Unlimited

Review of the Curt Custom Tail Light Wiring Kit for Towed Vehicles

Install: Blue Ox Patriot Portable Flat Tow Brake System on a 2022 Jeep Wrangler Unlimited

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Does the Curt Base Plate Kit Work w/ the Ford Modular Bumper on a 2025 Ford Bronco Everglade?

Yes, it does John. So long as you have the Ford Performance Heavy Duty Modular Front Bumper with the tow hooks, the easiest way to flat tow it is to use the Curt Custom Base Plate Kit item #C59JR. This adapter connects right to the tow hooks without…

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Hey Christian, welcome to the world of RV-ing! So in addition to the Roadmaster Nighthawk #RM-676 you're also goin to need: - A baseplate kit, like the Roadmaster Direct-Connect Base Plate Kit #RM-521453-5. These attach to the Jeep itself so you…

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Choosing Between the Brake Buddy Select 3 and the Blue Ox Patriot Supplemental Braking System

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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Which is Better Roadmaster or Blue Ox Tow Bar

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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Hey Steve, thanks for reaching out! The Roadmaster Direct-Connect Base Plate Kit #RM87NQ fits your 2025 Ford Maverick as long as it's the Hybrid model that doesn't have the engine block heater. It doesn't come with the 6-Pin connector,…

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What is the Difference Between the Blue Ox Patriot BRK2019 & BRK2022?

Gladly! The difference between the Blue Ox Patriot 3 Radio Frequency, Portable Braking System BRK2019 and the Blue Ox Patriot Radio Frequency, Portable Braking System #BLU37TR is that the Blue Ox Patriot 3 RBRK2019 is older, no longer available, and…

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Is There Tow Bar Lighting and Trailer Wiring Solution for 2015 Jeep Wrangler Sport S

Hey Teo, we have a solution for you but we don't have any harnesses that work as both a tow bar lighting kit and a trailer wiring kit. So what you'd want is the Curt part #C96JR for the tow bar lighting and then for the trailer wiring…

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Flat Tow Setup for 2024 Ford Maverick Hybrid

Hi Russ; you pretty much have everything you need right there with the exception of a few parts. I'm going to go ahead and list it all out here with links to make it easy for your to manage. You will need the following: -etrailer Invisible Base…

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How to Run a Charge Line to a 4-Way Connector

Yes, it will! You'll want to cut off the 4-way connector of the Curt Custom Tail Light Wiring Kit for Towed Vehicles item #C96JR and install the 6-way connector that comes with the Curt Tow Bar 7-Way to 6-Way Coiled Adapter Cord w/ 6-Way Socket…

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Hey Steven, thanks for reaching out! I really like your list, but I do have a few alternative suggestions if you don't mind. Here is what I recommend: - Blue Ox Base Plate Kit #BO94FR - etrailer Tow Bar #e47ZR (easier to use than the Roadmaster…

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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…

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Complete Flat Towing Setup for a 2025 Ford Ranger XLT 4X4

Hey Gary, yes, we do have a base plate for your 2025 Ford Ranger! What you'll want is the Roadmaster Direct-Connect Base Plate Kit #RM23DQ. This base plate has removable arms, has hidden brackets for a non-obtrusive design, and has a simple…

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