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Optional Adapter for Roadmaster InvisiBrake Supplemental Braking System

Optional Adapter for Roadmaster InvisiBrake Supplemental Braking System

Item # RM-8700-9530
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Shipping Weight: 0.17 lbs
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Roadmaster Accessories and Parts - RM-8700-9530

  • Tow Bar Braking Systems
  • Brake Monitor Adapter
  • Roadmaster


  • Limited Lifetime Warranty

8700-9530 Optional Adapter for Roadmaster InvisiBrake Supplemental Braking System

Video of Optional Adapter for Roadmaster InvisiBrake Supplemental Braking System

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

Video Transcript for Review of Roadmaster - Tow Bar Braking Systems - RM-8700-9530

Today we're taking a look at an adapter for Roadmaster InvisiBrake Systems.Now this adapter is required to use the Roadmaster Universal Brake Monitor with your InvisiBrake Supplemental Braking System. Now the serial number of the InvisiBrake must be less than 21603.It's a really nice adapter. No hard wiring necessary. You can see here we have the male connector, on this end we have the female connector. So these connectors just plug into place, that's all there is to it.This part number includes one adapter harness.That's gonna do it for today's look at the adapter for Roadmaster InvisiBrake Systems.

Customer Reviews

Optional Adapter for Roadmaster InvisiBrake Supplemental Braking System - RM-8700-9530

Average Customer Rating:  4.9 out of 5 stars   (7 Customer Reviews)


Extremely easy to install. Etrailer is outstanding, excellent employees especially tech support, plenty of on line videos to walk you through your install and excellent pricing. Orders are dispatched timely and arrive timely.


Service was excellent. Wrong part ordered so will be returning or would be 5 stars. I ordered part number 3034p I think but I should have ordered 3035p which I did.


Great job getting my order sent out. Much needed parts to complete the installation of my Invisibrake supplemental brake system.






See what our Experts say about this Roadmaster Accessories and Parts

  • What Does Optional Adapter For Roadmaster Invisibrake RM-8700-9530 Do?
    I reached out to Roadmaster and the reason your Older Roadmaster Invisibrake # RM-8700 requires the # RM-8700-9530 is that it was made before the monitor 9530 was made, and the adapter has a built in microchip that regulates the voltage to the # RM-9530 that the newer Invisibrakes do automatically. Without using the adapter the Invisibrake can engage randomly causing quite a safety issue so I recommend using the adapter. If yours is damaged then just use the # RM-8700-9530 as a replacement. I...
    view full answer...

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Cole B
Installed by:
Cole B
Employee Hannah L
Updated by:
Hannah L
Employee Isabelle B
Updated by:
Isabelle B
Employee Mike S
Written by:
Mike S

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