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Adapter Module OEM 2014 Ram 2500 Brake Controller Not Working with EOH Trailer Braking System  

Updated 07/17/2023 | Published 07/16/2023

Question:

I have a 2014 Ram 2500 and a 2008 Airstream with EOH breaks. The EOM controller says trailer not connected when its connected. I would like use the EOM controller instead of purchasing an aftermarket controller. Will the DX35FR work with my setup?

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Expert Reply:

Supposedly the Ram OEM controllers are supposed to be compatible with EOH braking systems but as you've experienced this isn't always the case (be sure to check that there isn't a setting that needs to be changed on the OEM controller).

You'll need the Adapter Module # DX35FR if your trailer is using the Dexter Axle BrakeRite system, or the Adapter Module # HBA-CAM if your trailer has the Hydrastar instead.

If you have a different brand EOH system then I recommend replacing your OEM brake controller with the Prodigy P2 # 90885 and Wiring Adapter # 3023-P, but you might need to have a dealer flash the computer system to get the system to read the new brake controller.

expert reply by:
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Jon G

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