OEM Brake Controller on 2012 Ford F-250 Not Working With Dexter Electric Over Hydraulic System

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Question:

I have a new F-250 and pull a 2008 Airstream with the electric/hydraulic system. The slide to lock the brakes has little effect. It doesnt even feel like the brakes are working at all. Ive worked with Ford and Dexter, in attempts to resolve the issues. Each says their systems are working correctely. The brakes do seem to work some during towing. I can feel the trailer brakes release after I let off the truck brakes. But I have to set the gain to 9.5 in order to feel any braking. I have hooked up to my old tow vehicle Ford Exp with Prodigy and everything works fine. Go back to the F-250 and problems start again. Any help will be appreciated. Thanks

asked by: Steve

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Expert Reply:

We have found that some Ford factory brake controllers (2007-2008) were not compatible with most electric-over-hydraulic actuators, but Ford changed the brake controller in 2009 and we have not seen many problems since then. I know Ford states that their brake controllers are compatible with some electric-over-hydraulic systems, but not all.

Although we have not specifically tested the newer Ford factory brake controller and the Dexter electric-over-hydraulic actuators together, it sounds like you are having the old compatibility issue that Ford had with their older brake controllers. Especially since the Prodigy in your Ford Expedition works.

My recommendation would be to move the Prodigy that is in your Expedition to your F-250 or install a new aftermarket brake controller in your F-250 that is compatible with electric-over-hydraulic brakes like the Prodigy P3, # 90195, with the wiring adapter # 3034-P. Installing an aftermarket brake controller may trigger a fault code, so I attached a help article that addresses this issue that you may find useful.

I do not recommend using an adapter like the Carlisle Control Adapter Module, # HBA-CAM, that you referenced because this has only been tested and approved for use with the Carlisle HydraStar brake actuators and may not work on your Dexter actuator. Unfortunately Dexter does not offer a similar adapter for their electric-over-hydraulic units.

expert reply by: John H

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Answer 1

The issue you are describing may be related to the factory brake controller in your 2012 Ford F-350 and its compatibility with the electric over hydraulic actuator you have on the trailer. For example, the Titan BrakeRite I Plug and Play…

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Answer 2

I believe you are referring to the additional 3-terminal plug coming from the 7-Way harness included with the Titan BrakeRite I Plug and Play EOH Actuator Kit #T4813102. This will connect directly to the corresponding plug coming from the actuator…

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Answer 3

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 4

You will need the Red LED Trailer Clearance or Side Marker Light #328-K-52 or Amber LED Trailer Clearance or Side Marker Light #328-K-51 for your 2018 Forest River Sunseeker motorhome. These lenses have the same Top Command SAE-AP2-16 markings on the…

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Answer 5

I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any parts to do that. The light generally needs to be hardwired into the truck's brake light circuit. The issue with this…

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Answer 6

While we may have an option for you, we do not have the exact specs on your Allis grease seal part number 5013 29772. However, with the 1.6" ID and 2.5" OD measurements you provides, that is very close to our #58846. This particular grease…

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Answer 7

The old version of the #HBA-CAM used 4 wires, but the product was updated awhile back and now uses only two wires as shown in the photo on the product description page. The white wire from the HBA-CAM would tap into the white ground wire and the blue…

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Answer 8

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 9

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 10

I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS…

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Answer 11

Since you have a wheelbase/axle spacing of 38 inches the correct hanger kit for slipper springs would be the part #HAP-105-205-01. And then for a 7k trailer axle the u-bolt kit you'd want would be the part #APUBR-8. I attached the diagram to use…

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Answer 12

The AL-KO trailer hub part number 8700 that you have is a 3,500 lb trailer hub/drum with a 5 on 4-1/2 inch bolt pattern. Based on that the #AKHD-545-35-EZ-K is the correct fit and would work great.

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OEM Brake Controller on 2012 Ford F-250 Not Working With Dexter Electric Over Hydraulic System

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