Titan BrakeRite Electric Over Hydraulic Actuator Malfunctioning With Factory Brake Controller

Question

Question:

I have a 5th Wheel with Disc Brakes and a Titan/BrakeRite EHB When connected to my 2009 Chevy Silverado truck, the brakes sometimes work, sometimes dont. The symptom is: If I apply the brakes very slowly by either the brake peddle or manually with the controller switch, the brakes work as they should and I can feel the trailer pull and hear the BrakeRite EHB moan like it should. When I apply the brakes normally they do not work at all and I can hear the BrakeRite EHB high pitch whine like its running at full speed with no pressure. I had the brake fluid completely purged with new DOT3 and vacuum bled by a Trailer Repair shop, but it didn't help. I took it to a 2nd Shop and had them also vacuum bleed them to be 100 sure and it still does the same thing. The EHB is full to the top of DOT3 Brake Fluid. I tried replacing the factory Brake Controller with a P3, but it does the exact same thing. Before I shell out $800+ to replace this EHB, is there anything I should look at? Its hard to believe this EHB failed in less than 3 years with only a couple of trips with the RV.

asked by: Tim C

0

Expert Reply:

First I want to verify that you are using either the Titan BrakeRite SD Adapter # T4845900 for the plug and play or the Adapter Module # DX35FR for a hardwired Titan BrakeRite actuator. These adapters are needed for the factory brake controller to function properly with the BrakeRite actuator. With you having installed a Prodigy P3 # 90195, as long as it was set to function as electric over hydraulic on the controller it would not require the adapter.

Typically with the Electric-Hydraulic Actuator # T4813102, the only test is pulling the breakaway cable and ensuring it activates. Any other issues may be caused by damaged wiring or possibly a bad ground connection.

expert reply by: Bud M

0

Answer 1

Integrated brake controllers in general don't work great with electric over hydraulic actuators and what you are describing is exactly that. If you use the adapter part #DX35FR you controller will sense the trailer connection like it needs to…

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Answer 2

The integrated factory trailer brake controllers (ITBC) in most newer trucks are electric over hydraulic (EOH) compatible. Therefore you should be able to use one like the Titan BrakeRite EHB Electric-Hydraulic Actuator for Disc Brakes on a 2020…

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Answer 3

Yes, the Adapter Module #DX35FR is the part you need. This will allow you to use the factory trailer brake controller on your 2020 GMC Sierra 3500 with the Dexter DX Series Electric Over Hydraulic Brake Actuator #K71-651 on your 5th wheel. The…

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Answer 4

I called the manufacturer and the newer model factory brake controllers are not registering your Titan electric over hydraulic brakes. This first started with Ford and Chevrolet factory brake controllers and so the Titan BrakeRite SD Adapter for…

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Answer 5

Since your factory Ford brake controller has a hydraulic mode setting you would not need to use any type of adapter like the part #DX35FR that you referenced.

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Answer 6

The Dexter adapter module #DX35FR was designed to allow factory integrated brake controllers to be used with electric over hydraulic actuators by basically tricking the controller into thinking there's a brake magnet load on the circuit.…

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Answer 7

We've found that typically when the problem you have arises the issue is a blown third brake light fuse as this is same circuit as what activates brake controller with brake pedal. So I would check and see if all of your brake lights come on…

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Answer 8

I spoke with my contact at Titan about using the BrakeRite with the EHB Adapter #DX35FR installed while towing with your 2002 Chevrolet Silverado 1500 using a Tekonsha Prodigy P3 #90195. My contact confirmed that you will not need to uninstall the…

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Answer 9

Yes, the EOH actuator will still run with the brakes engaged when using the adapter you asked about: - Adapter Module for BrakeRite Electric Over Hydraulic Actuator - OE Ford, GM Brake Controllers #DX35FR

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Answer 10

The issue that you are seeing may indeed be an electrical issue. I recommend checking all the connections and wiring and make sure that there are not any loose connections, or signs of damage to any of the wiring. I have included a link to the…

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Answer 11

To allow your Dexter DX series electric over hydraulic system #K71-651 work with the integrated brake controllers of your two GM trucks you will need the adapter part #DX35FR and you'd be set.

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Answer 12

The issue you are having with the Dexter DX Series Electric Over Hydraulic Brake Actuator part #K71-651 and Ram Factory Integrated Brake Controller (ITBC) is common. The brake controller is sending too much voltage constantly back to the actuator…

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Titan BrakeRite Electric Over Hydraulic Actuator Malfunctioning With Factory Brake Controller

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