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Roadmaster BrakeMaster for RVs w/ Air or Air-Over-Hydraulic Brakes - Proportional

Roadmaster BrakeMaster for RVs w/ Air or Air-Over-Hydraulic Brakes - Proportional

Item # RM-9160
Our Price: $865.00
Flat Tow Brake System

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Stay on budget with this proportional braking system. More reliable than a portable system, cheaper than a permanent one. Lightweight actuator attaches to brake pedal and front seat and removes for storage. Car brakes perfectly in sync with RV. 1-800-940-8924 to order Roadmaster flat tow brake system part number RM-9160 or order online at Free expert support on all Roadmaster products. Great prices and Fastest Shipping for Roadmaster BrakeMaster for RVs w/ Air or Air-Over-Hydraulic Brakes - Proportional. Flat Tow Brake System reviews from real customers.
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Roadmaster Flat Tow Brake System - RM-9160

  • Air Brakes
  • Air Over Hydraulic Brakes
  • Brake Systems
  • Proportional System
  • Roadmaster
  • Portable System
  • Recurring Set-Up
  • Not Power Assist Brake Compatible

Stay on budget with this proportional braking system. More reliable than a portable system, cheaper than a permanent one. Lightweight actuator attaches to brake pedal and front seat and removes for storage. Car brakes perfectly in sync with RV.


  • Get safe and even braking while flat towing
    • Uses the air pressure from your RV's brake line to apply the towed car's brakes at the same time, with the same intensity
    • Applies brakes only when needed: no false braking
  • Mount the actuating cylinder to the brake pedal and driver's seat for each trip
    • Braces securely in place for precise, effective braking every time
    • Disconnects and stores easily when you're done
    • Requires custom seat bracket (sold separately) or universal floor plate (450650-01 - sold separately)
  • Install all other components permanently - out of sight and out of your way
  • Monitor your towed car's braking with the LED indicator
    • Mounts in your RV dashboard so it's easy to see
    • Connects to towed car's brake light switch to ensure accurate reading
  • Meets the braking requirements of both the US and Canada
  • Made in the USA


  • Application: motorhomes with air brakes or air-over-hydraulic brakes
  • For vehicles with active or continuous-power-assist brakes, use kit RM-9160-900002 (sold separately)
  • Cylinder length: approximately 2'
  • Limited lifetime warranty

Is There a Custom Seat Adapter Available for My Vehicle?

Double-check that your vehicle is correctly entered in the Fitguide at the top of the page. If there's a custom seat adapter available for your vehicle, it will be listed as an accessory part on the search page.

custom seat adapter for Brake Master

Do I Need a Braking System for Flat Towing?

A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a safety hazard, strain your RV's brakes, and affect the warranty of both your car and motorhome. Most states legally require a supplemental braking system, so if you don't use one and you end up in an accident (which is more likely since your RV takes longer to come to a full stop), your insurance and liability headache just doubled. You also won't have any breakaway system; if there's an accidental disconnect, there's nothing to bring your car to a stop.

How Does the BrakeMaster Work?

Roadmaster's BrakeMaster offers you truly proportional braking, meaning that when you apply the brakes in your motorhome, the braking system will engage the brakes of the toad (towed vehicle) at the same time, with the same intensity. Whether it's a gradual slow down to a red light or a sudden stop in an emergency, your toad and RV will brake together.

Road Master Brake Master actuating cylinder

This is a huge advantage over inertia-based systems, where the braking is triggered by sensing the forward momentum of your toad. While often effective, this method creates the potential for false braking, where something as simple as rough terrain can activate the system when it's not needed. Not only does this make for a rough ride, but it can prematurely wear down your toad's brakes over time. The BrakeMaster will only turn on when you need it, so you can avoid any false braking.

Road Master Brake Master quick-connect

To achieve proportional braking, the system connects directly to the air brakes on your motorhome, typically by using an open port on the air brake relay valve. An air line routes back to a quick coupler on the rear of the motorhome, mirrored by a quick coupler on the front of the toad. The RV's coupler connects to the car's coupler with the included air jumper.

Road Master Brake Master break away

Another line then runs from the quick coupler at the front of your toad to the reservoir of the breakaway system, which mounts under your hood. If your car ever accidentally becomes disconnected while you're towing, this breakaway system will trigger and send a reserve of pressurized air to the brake pedal to bring the car to a stop.

From there, another air line runs down to the quick coupler attached to a bracket under the dash. When you're ready to flat tow, attach the actuating cylinder to the driver's seat and the brake pedal, plug the cylinder into the coupler, and connect the RV and toad with the air jumper. Voila, the whole system is connected.

setting up the Brake Master

When you put on the brakes in your motorhome, the same pressurized air that passes through the air brake relay valve to the RV's brakes travels almost instantaneously to the cylinder clamped to the toad's brake pedal. The cylinder actuates and presses the pedal down, braking the car at the same rate and with the same intensity as the RV.

Installing the BrakeMaster

The BrakeMaster is a hybrid between a portable system and a permanent system. Most of the components are permanently installed on the RV and in the toad, while the actuating cylinder is removable. Because it attaches to the driver's seat and the brake pedal, the actuator is more secure than a typical portable system and offers more accurate, reliable braking.

For most installations, you'll be able to connect directly to an open port in your RV's air brake relay valve with the included fittings. This port should be identified as the "service brake" port. If it isn't, use the steps in the instructions to identify the correct port. On the odd chance there is no open port, you'll have to pick up an extra T-connector.

installing the Brake Master brake away

The breakaway system installs under the hood of your towed car. It's best if the reservoir is mounted vertically so it's easy to drain any moisture that builds up over time, but it can be tricky to find a spot in the engine bay where you can access the drain valve on the bottom, so make sure you plan ahead. You also need to find a spot where it won't be exposed to any direct heat or moving parts.

setting up the Road Master Brake Master

To mount the actuating cylinder, you're going to need to install a custom seat adapter (sold separately). If there isn't one available for your year/make/model, you can use a universal floor plate (450650-01 - sold separately) instead.

Installing the BrakeMaster is a big undertaking, but once it's done, setup only takes a few minutes. To connect the actuator, just clamp it around your brake pedal and pin the other side to the bracket under your driver's seat, and plug in to the quick connect under the dash. Plug the patch cord into the quick couplers on your RV and toad, and you'll be ready to flat tow.

While this system is a more budget-friendly option, there are more connection points than comparable braking systems and they are more likely to develop leaks. It can also be difficult to find space in your toad's engine bay for all the components, especially on newer models. The complicated installation requires careful precision, so you'll really need to know what you're doing. This is not for the casual DIYer!

Built-In Safety Features

Road Master BrakeAway

Included with this system is Roadmaster's BrakeAway. A breakaway system is an absolute must for safe flat towing. In an emergency situation where the toad becomes detached from the RV, the breakaway switch will immediately activate the brakes and bring your vehicle to a stop.

Road Master braking monitor light

The BrakeMaster also comes with an indicator light for safety and peace of mind. This light, which mounts on the dash of your RV, is easy to see while you're driving and will light up when the brake pedal of your toad is depressed. This lets you know that the system is working and your toad is in fact braking.

Most supplemental braking systems have a method of letting you know you when they activate, but not all of them are checking if the toad is actually braking. There could be an error that causes the system to activate without actually applying the toad's brakes. Or your brake pedal might actually be continuously depressed when it shouldn't be. But unless you have a system that's monitoring your vehicle, you won't know it until the damage is already done.

The indicator light that comes with the BrakeMaster connects directly to your toad's brake light switch. That way the indicator only lights up when your brake pedal is depressed and a signal is sent to the brake lights.

What You Need to Flat Tow

Flat towing can be a much more convenient way to take your car RVing with you than using a trailer or a tow dolly. It'll save you storage space both at home and at the campsite, and it takes less time and hassle to hook up.

To flat tow your vehicle, there are 5 basic components you're going to need: a tow bar, a base plate kit, a safety cable set, tow bar wiring, and a flat tow braking system.

For the RV Between the RV and Towed Car For the Towed Car
Hitch Tow bar Base plate
Wiring plug Safety cables Braking system
Wiring adapter cord Wiring kit/diodes

The custom-fit base plate installs on the frame of your toad so you can connect the car to your RV with a tow bar. Hook up safety cables between the vehicles to ensure that the toad does not separate from the motorhome if the tow bar becomes detached. Tow bar wiring syncs your vehicle's signal lights with your motorhome's tail lights, as required by law in most states. Finally, the flat tow braking system - also required in most states - activates the brakes in the toad when you hit the brakes in the RV, making for smoother, safer braking, and preventing wear on your motorhome.

9160 Road Master Brake Master Supplemental Braking System with Break Away for Motorhomes with Air Brakes and Air Over Hydraulic Brakes

Installation Details RM-9160 Installation instructionsAlternate Instructions RM-9160 Installation instructions

This Product Fits The Following Vehicles

Customer Satisfaction Score:

Customer Reviews

Roadmaster BrakeMaster for RVs w/ Air or Air-Over-Hydraulic Brakes - Proportional - RM-9160

Average Customer Rating:  4.7 out of 5 stars   (130 Customer Reviews)

Stay on budget with this proportional braking system. More reliable than a portable system, cheaper than a permanent one. Lightweight actuator attaches to brake pedal and front seat and removes for storage. Car brakes perfectly in sync with RV.


This braking system does what it's suppose to do, smooth proportional braking between motorhome air brakes and the tow vehicle. The only reason I did not rate at 5 stars is that there is a slight misalignment of air cylinder mounting bracket and 2022 Jeep Gladiator brake pedal.


The product shipped on time and has been worry free. etrailer gets 5 stars for customer service every time I order from them.



The product has worked perfectly.


The install on my Ford Maverick is clean and functional, so this is more of a customer service review... excellent customer service!

During the 4-day towing set-up install, the forecast was for freezing temps and my rig was not winterized. I called in mid panic and the motorhome was moved indoors.

A few months after using the tow set-up, a minor problem developed. I called and the CSR apologized and said, I can see how that might be frustrating, and a replacement cable (slightly longer) was sent free of charge.

2023 Ford F-250 Super Duty

Well built brake system. Installation is better done by a mechanic. It took about 3 hours. In my opinion, an air system is the only way to go. Set up when you get ready to tow takes about 1 minute. Just pin the brake pedal clamp, pin the base of the cylinder and plug in the air line and you are ready.

2024 Jeep Wrangler 4xe

Second set on second Jeep, Brake system works great, a bit of an install with the air lines and placement of the small tank in the crowded engine compartment BUT once it is in the setting of the brake peddle arm is easy!


Love the system better brake control than with other electric ones


works very good, did not come with indicater light or wire that tells you in the cab that the breaks have been activated


Make sure you order the plate needed for your vehicle. Had to wait a week until that came in to complete the installation. Plus if you are placing in a Ford Edge, there is a firewall access behind the battery. Knowing this makes it easier to do. Also on the Edge you have to make a small extension to get the connectors easier to disconnect.


Well made, good instructions.

2015 Toyota Tacoma

For me it is the perfect towed braking system! Simple operating principle, easy installation, quick set-up and detach. Never needed for breakaway, but pre-trip test is always perfect functioning. Definitely saves on coach braking force needed.
(Installed on 2015 Itasca 34T DP w/2007 Toyota Tacoma)



Many thousands of miles, across deserts and over mountains, without a single issue or problem! Definitely recommend this system to any RV’er with coach air brakes.

2016 Jeep Wrangler

Works as it should and easy to install and remove



Still working well. Just connected Jeep todau and headed out for a 3300 mile trip. I need sunshine!!

Etrailer Expert

Mike L.


@Larry We are so jealous!! Enjoy your trip!


it works great

2008 Honda Pilot

Roadmaster was real slow with the delivery of the seat adapter. But Michael kept me informed all the way through to the delivery. etrailer is 5 stars all the way from start to finish. I look forward to using them in my orders to follow.
Now for ROADMASTER products
RM-643 safety cables quality is good work fine Delivery was fast
RM-9160 brake master system Love this system instructions were easy to follow
RM-15267 toad tail light/brake wiring good instructions for install
RM-1550-1 base plate good instructions for install except you need to drill two 1/2'' holes you must measure and mark as there is no pilot hole.
The whole system works great with the 2008 Honda Pilot
RM-88189 seat adapter I have yet to install as I had to make up my own for the trip.
I will say the seat adapter bracket is made just for the Honda and Acura, they had to make custom make. Thanks to all the car towed great for my first trip of 1,100 miles

2018 Ford Fiesta

Great supplemental braking system. We are the second owners of our class-A motorhome. The original owners had installed a Brakemaster system; so we figured to use the same type of equipment as well - and we're glad we did. Having a proportional air over hydraulic braking system seems to provide a more accurate braking experience for our 2018 Ford Fiesta. Each time I apply brakes on the motorhome, a red LED light on the dash illuminates to tell me that the brakes are being applied on the tow vehicle as well.

Toyota Land Cruiser

I used this on a 1988 Toyota Land Cruiser, so I could flat tow it behind an Motorhome. Easy to install! This works awesome.

2007 Jeep Patriot

This kit was installed on a 2007 Jeep Patriot. It did require fabrication of a seat mount bracket. Fairly easy with some angle iron and some spacers. Install was fairly straightforward. It required mounting the surge tank inside the engine bay and running wiring to and from the battery and breakaway switch. It also required mounting the quick release air fittings at the bumper, inside the vehicle, and also at the rear of the RV. I also mounted the LED indicator inside the RV and utilized the existing towing harness to run power from the vehicle to the front of the RV.


Got everything installed except the foot that mounts to the floor. It wasn't in the box. I called etrailer who contacted Roadmaster and they said they would ship and I should have in a couple of days. Installed everything else along with the tow bar and light kit. Followed all the instructions and all went smoothly with no issues. Just have to wait for the missing part to complete and test.

2018 Jeep JL Wrangler Unlimited

Installation does take some time as you will have to find a good place to install the break away cylinder. I could not find any reference material for my application. 2018 Jeep Wrangler JL with the 2.0 liter engine. The only place I could find to install it was between the battery and the fender. If you are not mechanically inclined I would recommend having this installed by a professional.


Parts that I ordered through etrailer came ahead of the date the promised and complete. All of the ordering process was very easy and I had full confidence I would receive the correct parts.


I love this whole kit accept for a couple things that I'm working through now. I have a 2018 F150 and a 2020 Nexus Ghost super C. On the F150, I purchased the seat bracket. When I put he hydraulic cylinder on, the hose was too short. It had a permanent pre-made hose. I have enough line to make a new hose, but had to go the the hardware store and buy new compression fittings to make the new line. No big deal, but annoying. Also on the NeXUS brand diesel pusher, I called Roadmaster to get clarification on where exactly to bust into the brake line and clear up the warranty question. They were very polite and helpful. They told me exactly how to determine the "metered" line. I've yet to finish that part of the install. But they indicated it would not affect my warranty with International nor would it cause any unsafe situation should my vehicle come loose from the MH and have to use the emergency stop feature built into the Brakemaster system. Both my MH and my tow vehicle is protected. I think that they could do a much better job explaining the MH side of things. All in all-it seems it will be a great system.

Mini Cooper

Love the small unit in my mini cooper. The air brakes are true proportional when braking. It is easy to set up and break down.


I ordered this part mainly due to the quoted delivery date which was 9/12/2023. After my order was placed I get a notice that they received my order and that I could expect delivery on 9/14/2023. This completely screwed up our plans and all I received back was a "so sorry" email. I won't buy anything from this company again and I would warn those who may order something needed by a certain date to look elsewhere as these people do not stand behind what they say.


Works great EZ install, dont forget the seat adapter bracket


Looks to be very complete and should work as intended. As of yet, have not installed and cannot comment as to whether it actually will work. Have confidence in the Roadmaster name and their products. Am not expecting any issues. (Just received yesterday, 01/28/21).


I have really enjoyed the proportional braking provided by this setup (the brakes on the Jeep are applied greater as I apply the brakes greater in the RV). It took a little time to install but it was worth the effort!

Show More Reviews

See what our Experts say about this Roadmaster Flat Tow Brake System

  • Complete Flat Towing Setup For A 2018 Ford Expedition Limited
    Sure thing! To complete your flat tow setup for your 2018 Ford Expedition, you will also need: 1. A base plate kit, like the Roadmaster Direct-Connect Base Plate Kit # RM-524457-5. You'll need a base plate kit to connect your tow bars to your toad vehicle. 2.The next thing you're going to need is a braking system, like the Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes # RM-9160, with the RoadMaster BrakeMaster Custom Seat Adapter # RM-88318. A...
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  • Is The Roadmaster BrakeMaster Compatible With The Demco SBS Air Force One Breaking System
    I spoke with Roadmaster and unfortunately the Roadmaster BrakeMaster System # RM-9160 and Demco SBS Air Force One Supplemental Braking System # SM99243 are not compatible with each other. You would instead need to install the RoadMaster BrakeMaster Second RV Kit for Air or Air-Over Hydraulic Brakes # RM-98200.
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  • Recommended Base Plates for 2022 Jeep Grand Cherokee L
    We have the base plate options for the 2022 Jeep Grand Cherokee L. - Overland Package The Roadmaster Direct-Connect Base Plate Kit, # RM77ZR. - Summit Package # RM59ZR. Excluding Overland and Summit packages Select the Blue Ox Base Plate Kit, # BLU47XR and use the Roadmaster Tow Bar to Blue Ox Adapter, # RM-031 or # RM-031-5, depending on what Roadmaster tow bar you have. You will also need wiring and a supplemental braking solution, I recommend: - Tow bar Wiring, # RM-154 - Braking...
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  • Flat Towing Components for a 2022 Ford Maverick Hybrid
    Yes, you can reinstall the Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes - Proportional item # RM-9160 in your new 2022 Ford Maverick. Since your Maverick is a hybrid you will also need the RoadMaster BrakeMaster Custom Seat Adapter item # RM98FR. You will also need a new baseplate kit, charge line, and wiring kit. I have listed these parts below. They are for your Hybrid model Maverick. Roadmaster Direct-Connect Base Plate Kit - Removable Arms...
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  • Complete Flat Towing Setup For A 2022 Renegade Valencia 38RW W/ Air Brakes And A 2021 Ford F-150
    No additional parts are needed to connect the Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes # RM-9160 as this system will connect directly to the air system on your 2022 Renegade Valencia 38RW. This can be attached any open port on your air brake relay valve on your coach. In order to use the Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar w/ LED Lights # RM-676 with your 2021 Ford f-150, I actually recommend going with the Roadmaster Direct-Connect...
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  • Best Flat Tow Set-Up For 2022 Jeep Grand Cherokee L Overland Model W/ 5.7 Hemi
    You are looking at five primary components for a safe flat towing setup. These are (1) Base Plates (2) Tow Bar (3) Safety Cables (4) an Electrical Wiring solution (5) a Supplemental Braking set-up My recommendations are: - Base Plate, # RM77ZR This is a direct-connect type base plate that will work with multiple Roadmaster tow bar options. - Tow Bar, # RM-676 (safety cables are included so no additional cost for those) The Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar w/ LED...
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  • Parts Needed to Flat Tow a 2019 Ford F-150 with 2022 Renegade Explorer on Freightliner Chassis
    We can certainly help you make sure you get all of the parts you need to flat tow your 2019 Ford F-150; a complete flat towing system consists of base plates, a compatible tow bar, safety cables, supplemental braking and possibly a high/low adapter to keep the tow bar level during towing. I linked an article below that will help you choose the correct one as well. The parts that you've listed below do consist of a complete flat towing setup for your 2019 Ford F-150 and will work well...
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  • Seat Adapter to Use BrakeMaster # RM-9160 in a 2017 Jeep Wrangler Unlimited
    I will be happy to help you out. For your 2017 Jeep Wrangler Unlimited and the BrakeMaster system # RM-9160 you will need seat adapter # RM-88130. I have linked a video featuring this adapter on a similar Jeep.
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  • Does Roadmaster BrakeMaster System Come with Lighting Solution
    Hey Nick, so the Roadmaster Supplemental Braking System part # RM-9160 does not come with a lighting/wiring solution for your tow vehicle. It just covers everything needed to install the braking system. For lighting you can use the diode kit, # RM-15267, and not have to worry about cutting into the taillight housing. This will splice into your taillight wiring to allow your tow vehicle to control the taillight assemblies of the towed vehicle. This comes with a round 6-way connector that...
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  • Roadmaster Brakemaster Seat Adapter Recommendation for a 2007 Jeep Wrangler
    Yes, the Roadmaster Seat Adapter part # RM-88130 that you referenced will work on your 2007 Jeep Wrangler as it was designed to fit 2007-2010 model Wranglers.
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  • Parts Needed to Flat Tow 2011 Chevy Silverado 1500 With Falcon 2 Tow Bar & BrakeMaster
    You can flat tow your 2011 Chevy Silverado 1500 with your tow bar. To answer your questions specifically, there are compatible base plates from Roadmaster, the the BrakeMaster will work, a pedal adjustment kit is needed, and the wiring kit you mentioned will not work because you have combined wiring and not separate. I'll go ahead and list out exactly what you'll need for your '11 Silverado 1500 with the Falcon 2 Tow Bar # RM-520. - Roadmaster Direct-Connect Base Plate Kit # 3154-3 -...
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  • RoadMaster BrakeMaster Exhaust Valve Replacement
    If your Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes # RM-9160 is just dumping air in the way you described then yes, you will need to replace the exhaust valve with # RM-450601-50.
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  • Parts Needed To Allow RoadMaster BrakeMaster On 2008 Jeep Wrangler To Work On Motorhomes Air Brakes
    You need the RoadMaster BrakeMaster Second RV Kit for Air Brakes # RM-98200 for your motorhome. This will allow you to use the BrakeMaster Hydraulic # RM-9060 or Air # RM-9160 that is installed on your 2008 Jeep Wrangler. Since all the parts are the same on the Jeep for hydraulic or air you only need the motorhome specific portion that will change. If you went to a motorhome with hydraulic brakes you would use the RoadMaster BrakeMaster Second RV Kit for Hydraulic Brakes # RM-98300.
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  • Will BrakeMaster for Motor Homes with Air Brakes # RM-9160 Work on 2006 Winnebago Journey
    The Roadmaster BrakeMaster with BrakeAway for Motor Homes with Air Brakes, part # RM-9160, is certainly a good choice for an RV like your 2006 Winnebago Journey 32T diesel with air brakes. This system requires recurring set-up each time you need to use it, unlike the Roadmaster InvisiBrake # RM-8700 which is a one-time set-up. Given the modest upcharge for the InvisiBrake system, this is what I suggest. My associates who flat tow agree this is the easier-to-use system. I have linked an...
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  • Components Needed to Tow a 2016 Nissan NV 3500 with a 2021 Nexus Ghost International Chassis
    We do have what you need here. For your 2016 Nissan NV 3500, the Roadmaster Base Plate is the Direct-Connect, part # RM-52359-5. The tow bar compatible with this that I recommend is the Falcon 2, part # RM-520. This tow bar will connect into your 2021 Nexus Ghost International Chassis' hitch receiver. I've linked to a video review of this tow bar for you to look at. *Edit - The 2016 Nissan NV 3500 is 7000 pounds, so the Falcon 2 will not be able to support it. The proper tow bar is the...
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  • Roadmaster BrakeMaster Seat Adapter to Fit 2019 Jeep Wrangler JL
    Actually yes. The new seat adapter that fits the 2018 and 2019 JL Wranglers is part # RM69FR for non-diesel models and the # RM87VR for diesel models. The old seat adapter from your JK, part # RM-88130, doesn't fit the new Jeeps.
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  • What Blue Ox Base Plate is Correct for my 2009 Subaru Forester 2.5X Manual
    Yes the Blue Ox Base Plate Kit part # BX3616 is a confirmed fit for your 2009 Subaru Forester 2.5X Manual. It is put in our fit guide both ways as it will work with either configuration. I do see how that can lead to confusion for sure. I do not know if you have the other components you will need for a full flat tow setup so I'll link a list for you of some of the more popular choices. One of our most popular tow bars is the Blue Ox Alpha # BX7380. This tow bar has a weight capacity of...
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  • Differences Between Second Breakaway Kits for the Roadmaster BrakePro and BrakeMaster
    The two second vehicle kits you referenced, the Second Vehicle Brakeaway Kit for Roadmaster BrakePro # RM-98162 and the Second Vehicle Kit with BreakAway for BrakeMaster Systems # RM-98160 are for two different supplemental braking systems. The # RM-98162 is for a discontinued supplemental braking system called the Roadmaster BrakePro. This system does not use air at all so an air reservoir is not needed. The # RM-98160 is used with the Roadmaster BrakeMaster # RM-9160 which is used on...
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  • Can BrakeMaster Breakaway Kit be Easily Removed from One Vehicle to Another Vehicle
    Whether you have the Roadmaster BrakeMaster Braking System for RVs with Hydraulic Brakes # RM-9060 or the Roadmaster BrakeMaster System for RVs w Air or Air Over Hydraulic Brakes # RM-9160 you need to keep your breakaway system install on the Jeep Wrangler if you plan on still flat towing that vehicle. I reached out to my contact at Roadmaster who said that the breakaway kit is pressurized and so it needs to stay in a secured location and shouldn't be mounted on the air cylinder. If you...
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  • Does Breakaway Kit of Roadmaster BrakeMaster Get Ran to Brake Lite Relay
    I attached a wiring diagram for how the Brake Lite Relay part # RM-88400 installs and in it you'll see that it does not need to be wired to a breakaway system of any braking kit. The second picture I attached shows how the breakaway kit of the Roadmaster # RM-9160 gets wired up as well for you to check out.
    view full answer...
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  • Is a Supplemental Braking System and Breakaway Required for Flat Towing in the United States
    Yes, pretty much all states (with the exception of Missouri for some reason) and Canadian provinces require that a towed vehicle have a supplemental braking system and most all supplemental braking systems come with a breakaway unit. The most economical is the BrakeMaster # RM-9160 which works with RVs that have air brakes or air over hydraulic braking systems. Otherwise I recommend the SMI Stay-IN-Play DUO # SM99251. In either case these are proportional systems that apply the same amount...
    view full answer...
  • Parts Needed For Installing a Custom Seat Adapter In a Jeep TJ Wrangler For a RoadMaster BrakeMaster
    The RoadMaster BrakeMaster Custom Seat Adapter # RM-88154 that fits a 1997 - 2006 Jeep TJ/Wrangler does require a Mounting Post # RM-450596. You may already have this post with the Roadmaster BrakeMaster System # RM-9160 as one was included with the kit. If this is for a second vehicle the Second Vehicle Kit # RM-98160 also includes the mounting post.
    view full answer...
  • Seat Adapter for 2010 Jeep Wrangler Unlimited and BrakeMaster Supplemental Braking System
    Yes we do have exactly what you need. For the Roadmaster BrakeMaster supplemental braking systems you will need custom seat adapter # RM-88130 for your 2010 Jeep Wrangler Unlimited.
    view full answer...
  • Solution for a Roadmaster BrakeMaster That Applies Brakes Too Hard On a 2023 Chevrolet Silverado
    I spoke with Roadmaster about your issue, and they confirmed that you are going to need the Roadmaster Brake Pressure Reducer for BrakeMaster Supplemental Braking System # RM-900002 for your Roadmaster BrakeMaster System w BrakeAway for RVs w Air or Air Over Hydraulic Brakes # RM-9160. When you adjust the pressure, there is not a set guide you'll just need to try it and lower it or increase it as needed.
    view full answer...

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