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Old 04-22-2019, 06:06 PM   #2
Join Date: Apr 2019
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Default Re: Trailer Brake Controller Install

I had similar questions regarding the new Siesta 24ST I just purchased. Posters on the irv2 forum were told by MB that because the Sprinter uses some kind of proprietary module, do it yourself efforts would likely invalidate the MB warranty, and MB dealers were quoting as much as $2k to do it. I decided instead to get a Curt 51180 Echo brake controller ($229 from Amazon) that plugs into the coach's female plug, and the toad male plug plugs into it. Powered from the plug, and applies brakes when the coach decelerates, or when you apply them from a Bluetooth app on your phone while driving. I couldn't be happier.
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