Roadmaster Universal Brake Monitor

Roadmaster Universal Brake Monitor

Item # RM-9530

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Accessories and Parts RM-9530 - Pedal Monitor - Roadmaster
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  • Tow Bar Braking Systems
  • Brake Monitoring System
  • Pedal Monitor
  • Roadmaster
Call 800-298-8924 to order Roadmaster accessories and parts part number RM-9530 or order online at etrailer.com. Free expert support on all Roadmaster products. Guaranteed Lowest Price and Fastest Shipping for Roadmaster Universal Brake Monitor. Accessories and Parts reviews from real customers.


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  • Reviews (5)
  • Q & A (6)
  • Videos (2)
  • Photos
  • Why etrailer?

Roadmaster Accessories and Parts - RM-9530


  • Universal brake monitor
  • Works with all braking systems that depress the brake pedal
  • Exceptional range and reliability for line-of-site transmission confirmed to 1,000 feet
  • Proprietary send/repeat circuitry confirms each signal at 100 percent reception
  • Protects the towed vehicle's brakes and reports any braking activity to the motorhome monitor
  • Low-battery alert, extended braking, and break-away alarms
  • 5 Other audio and/or visual alarms and system status notifications
  • 30-Minute installation at the towed vehicle
    • Simply plug the motorhome monitor into any 12-volt outlet
  • Automatic operation activates only when the vehicles are connected for towing
  • Specifications for frequency: 923 MHz
  • Power draw: 12 volts
  • Sleep current: 30 mA


9530 Roadmaster Universal Brake Monitor



RM-9530 Installation InstructionsInstallation Details RM-9530 Installation instructions



Video of Roadmaster Universal Brake Monitor


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Roadmaster Universal Brake Monitor Review

Today you're going to be taking a look at the Roadmaster Universal Brake Monitor. That's going to be part number RM-9530. Here's what our monitor is going to look like once we have everything hooked up. On the motor home side, it's just going to be this small box, and we're going to have a power cord. It's going to be completely portable, so if we need to move to another motor home or we're not using it, we can unplug it and put it in a storage compartment somewhere.What our monitor is going to do is it's going to monitor the braking activity on our towed vehicle. That way we can easily see it with these lights right here, and an audible alert to know exactly what's going on.

That way, it prevents us from having to look at our rear view camera looking for a small light that's going to be on the dash or the rear view of our towed vehicle. This is going to be a lot easier to see and we're not going to have strain in those high-light situations, the middle of the day where the light on the dash may not come on that bright.We'll have our lights right here close to us, and whenever we press on the brake pedal on our motor home, the yellow light is going to come on underneath brake letting us know that the towed vehicle's brakes are applied. When we release them, the light will go out, letting us know that the brakes are released on the towed vehicle. The middle light is going to let us know if there's a breakaway. In the event that our towed vehicle we're to disconnect from the motor home in an emergency situation, we're going to hear an audible alert and have that breakaway light come on letting us know immediately that there's a problem.One of the nicest things about our monitor system is that it's going to be universal.

It's going to work with any motor home, so long as you have a 12 volt power source. We're going to have a similar style monitor that's going to stay on the car. That's going to send a signal to the receiver. The transmitter on the car is going to have a total of four wires that we're going to need to connect. One's going to be power.

One's going to be ground. One's going to go to our breakaway switch, so it knows if there's a breakaway, and one's going to be connected to the cold side of the brake switch.Our brake monitor is going to rely on the movement of the brake pedal rather than the movement of the actuator. That way, we get a true brake reading, so even if something we're to fall on our brake pedal and move it just a little bit, we'll have an alert on our monitor inside the motor home letting us know exactly what's going on. Our monitor system is going to work with all braking systems. Just keep in mind you may need a stoplight switch to get that brake signal to the monitor.So, if you're looking for an easy way to monitor the activity of your braking on your towed vehicle, our monitor system is going to be an easy way to do that.

The fact that it's portable from motor home to motor home is a really nice thing, especially if you tow with different motor homes. Here's everything our brake monitor is going to come with. It's going to come with the sending unit that's going to mount on the car, the receiver that's going to mount in the motor home so we can know what's going on, and it's going to come with all the necessary wires and connectors to get it installed.The way you're going to be able to tell the difference between the two monitors is the motor home one, if we look at the bottom here, it'll have a plug and that's going to be for the power source that we're going to plug in. This'll plug into the monitor itself, and then we'll plug the other end into a 12 volt power source on the motor home. Now, on the vehicle monitor, you'll notice that that small plug isn't going to have anything in it. Instead, we're going to have this large plug in the center.That's going to plug our harness into, and then on the end of our harness we're going to have four wires. Our black wire with the ring terminal is going to be our ground wire. Our blue wire is going to hook up to the brake signal from the vehicle. Our red wire is going to be our power source, and then our yellow wire is going to hook to our breakaway on our braking system.Now, as far as power goes for the towed vehicle's side, we're going to have a few different options. We can use a fuse tap and get power, but keep in mind this is going to have to have constant power. So, you don't want to use a timed power source. When the vehicle is off, it'll lose power. Or we can wire it directly to the battery using a fuse holder. That'll finish up your look at the Roadmaster Universal Brake Monitor, part number RM-9530.


Customer Reviews

Roadmaster Universal Brake Monitor - RM-9530

Average Customer Rating:  4.8 out of 5 stars   (5 Customer Reviews)


- RM-9530
by:

This is much better than cutting hole in the dash of the Motorhome and installing a light. I had it installed in less than 30 minutes. Invisibrake is the braking system used. The passenger side floorboard kick panel of my 2018 2 door Jeep Wrangler JL had everything right there power came off of Auxiliary switch package I ordered on the Jeep, direct wire to the battery. Ground is right behind the panel and the aftermarket wiring harness (the only one out there for JL I believe at this time) supplied the brake light function. I opted not to cut into the brake away switch wiring as I didn’t want to sacrifice the integrity of the wire itself. 560991



- RM-9530
by:

Install was easy. However could not turn transmitter off. Had to call Roadmaster. There tech staff helped me figure it out. 671302



- RM-9530
by:

This should complete the installation of my Invisabrake 663259



- RM-9530
by:

One week delivery. Easy to Install. Works Great ! 578265



- RM-9530
by:

As always, on time, order correct and quality parts. 566566


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Info for this part was:

Expert Research:
Jameson C
Video Edited:
Jacob T
Photos by:
Jeffrey L
Video by:
Jonathan Y
Test Fit:
Robert C
Updated by:
Isabelle B

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