2019 Ram 3500 Vehicle Tow Bar Wiring

Name: Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 4-Way Flat Connectors
Brand: Roadmaster
SKU: RM-154
Price: 92.93 USD
Availability: InStock
Rating: 4.78128213918409 (2917 reviews)

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

2917 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.

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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.

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

430 reviews

Code: RM-155

$65.41

Retail:$93.91

You Save: 30%

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
Universal
Tail Light Mount

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.

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Universal Magnetic Tow Lights - 20' Wiring Harness with 4-Way Flat Trailer Connector

190 reviews

Code: TL21RK

$54.83

Retail:$75.23

You Save: 27%

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Removable Tail Light Kit
20 Foot Long Harness
Universal
Magnetic Mount

Features:

Stick these heavy-duty magnetic lights on the back of your car and they'll stay there. Nice and secure, these are also the easiest way to get brake and turn signals on your towed car, trailer, or cargo carrier without doing any hardwiring.

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Roadmaster Universal Magnetic Tow Lights with 4-Way Flat Trailer Connector

40 reviews

Code: RM-2120

$80.37

Retail:$100.15

You Save: 20%

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Removable Tail Light Kit
20 Foot Long Harness
Universal
Magnetic Mount

Features:

Stick these magnetic lights on the back of your car and plug them in - done. This is the easiest way to get brake and turn signals on your towed car, trailer, or cargo carrier without doing any hardwiring. Requires 4-pole flat plug.

More Information >

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

430 reviews

Code: RM-152-LED

$96.73

Retail:$155.31

You Save: 38%

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
Universal
Tail Light Mount

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

430 reviews

Code: RM-152-LED-7

$240.71

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Bulb and Socket Kit
27 Foot Long Harness
Universal
Tail Light Mount

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.

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Universal Magnetic Tow Lights - Red LEDs - 20' Wiring Harness with 4-Way Flat Trailer Connector

190 reviews

Code: TLL21RK

$66.04

Retail:$75.66

You Save: 13%

In Stock

Flat Tow Wiring Harness Specs:

Bypasses Vehicle Wiring
Removable Tail Light Kit
20 Foot Long Harness
Universal
Magnetic Mount

Features:

Stick these bright, efficient LED lights on the back of your car and plug them in - done. This is the easiest way to get brake and turn signals on your towed car, trailer, or cargo carrier without doing any hardwiring. Requires 4-pole flat plug.

More Information >

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

Shown on 2019 Ram 3500

2917 reviews

Code: RM-15267

$146.93

Retail:$206.35

You Save: $59.42

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.

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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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

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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

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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

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Towing