We do offer brake controllers such as the Hayes Air Actuated Trailer Brake Controller # HA100400C that takes in air pressure and converts it to an electrical signal for trailer brakes, but this item is not compatible with electric-over-hydraulic brakes, only electric drum brakes.
For your application I suggest the Prodigy P2 # 90885 that you referenced. It has a setting for EOH brakes. You will also need an installation kit # ETBC7 to enable a hardwired installation. The challenge will... view full answer...