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How To Install Roadmaster 2nd Motorhome Kit RM-98850 In 2022 Mercedes-Benz Sprinter  

Question:

i have a 2022 mb sprinter and have the roadmaster invis brake system already installed in my 2018 jeep wrangler jk and want to install the rm 98850 kit for the indicator light need wiring help!!

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Expert Reply:

I would be happy to help!

What you will need to do to get the Roadmaster 2nd Motorhome Kit # RM-98850 installed in your 2022 Mercedes-Benz is first install the LED light in your Sprinter where ever you decide is the best location that is visible while driving, and is preferably in a section of the dash that can easily be removed so you can drill the hole without worrying about what is behind that area. The white wire from the LED will get connected to the white wire of the audio module, and the red wire from the LED will get connected to the red wire of the audio module.

Since we have no information regarding a trailer brake controller port being installed in your Sprinter, you will need to use the included 50' black wire to connect to the two red wires and run it underneath your motorhome to your 2018 Jeep Wrangler.

That black wire will need to be connected to the wire of your Invis-Brake that goes to the stop light switch wire in your Jeep.

I included a video review of the # RM-98850 for you to take a look at.

expert reply by:
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Samuel C

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