2018 Jeep Grand Cherokee 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: 146.93 USD
Availability: InStock
Rating: 4.77622138708575 (2927 reviews)

Expert Review Video:

Best 2018 Jeep Grand Cherokee Tow Bar Wiring Options

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

Shown on 2018 Jeep Grand Cherokee

2927 reviews

Code: RM-15267

$146.93

Retail:$206.35

You Save: $59.42

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal
Tail Light Mount

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

Shown on 2020 Jeep Grand Cherokee

2927 reviews

Code: RM-154

$92.93

Retail:$117.98

You Save: 21%

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal
Tail Light Mount

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.

More Information >

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

82 reviews

Code: DM9523010-54

$212.67

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal
Tail Light Mount

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

2927 reviews

Code: RM-152-1676-7

$250.77

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
30 Foot Long Harness
Universal

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 Smart Diode Kit for Variable Voltage Incandescent Tail Lights - 7-to-6-Way Adapter Cord

130 reviews

Code: RM26FR

$302.17

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal

Features:

Smart diodes are our favorite option for getting brake and turn signals on your towed car. They are really well-made and reliable, plus pretty easy to install. This complete kit includes everything you need for multiplex incandescent tail lights.

Installation Notes:

Product is intended for use on vehicles with taillights that have Incandescent bulbs.

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Roadmaster Smart Diode Kit for Variable Voltage Incandescent Tail Lights

130 reviews

Code: RO94FR

$124.30

Retail:$134.87

You Save: $10.57

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal

Features:

Smart diodes are our favorite option for getting brake and turn signals on your towed car. They are really well-made and reliable, plus pretty easy to install. This kit is for variable voltage/multiplex incandescent tail lights.

Installation Notes:

Product is intended for use on vehicles with taillights that have Incandescent bulbs.

More Information >

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

Shown on 2018 Jeep Grand Cherokee

2927 reviews

Code: RM-152-98146-7

$193.73

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal
Tail Light Mount

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 >

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

136 reviews

Code: RM-15247

$149.79

Retail:$198.11

You Save: $48.32

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal
Tail Light Mount

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 >

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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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How to Make an Adapter to Go from Semi Truck 7-Way Round to RV Style 7-Way Blade on Trailer

Either way is correct. It depends on if you want to keep the semi-style 7-Way (if you need to tow that type of trailer) or if you will never be towing a semi-trailer. If you need to keep the 7-Way semi active on the truck, then you would need to make…

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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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Lighting and Wiring Options for Flat-Towing a Jeep Wrangler Behind a Motor Home

What you need is a light kit specifically for flat-towing. The Plug-N-Tow TM Vehicle Wiring Harness, #42615, would be if the Jeep were towing a trailer and not for activating its lights while it is being towed. There are a few options for lighting…

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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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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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Parts Needed to Flat Tow 2024 Jeep Wrangler Behind Motorhome

Hey Doug, we can definitely help with all of the parts you need to flat tow your 2024 Jeep Wrangler. The first thing you'll need is a base plate kit. For that the Blue Ox part #BX1139 that you referenced is correct and a great, easy-to-use…

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Hey James! Congrats on your new purchase! To flat tow your 2022 Jeep Cherokee Trailhawk you will need the following parts: Base Plate Kit - Blue Ox Base Plate Kit item #BX1143. This is designed specifically for the Trailhawk models and will work…

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Will Roadmaster Falcon Tow 2025 Jeep Grand Cherokee Overland

Hi John; as long as you aren't exceeding that 6,000 lb capacity it won't be a problem so you can use the Falcon to tow your 2025 Jeep Grand Cherokee Overland. Since the Overland has tow hooks the correct Roadmaster Direct-Connect Base Plate…

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