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Electric Over Hydraulic Brake Actuator Not Applying Trailer Brakes Using Brake Controller  

Question:

I seem to be getting power to the actuator but the hydrolic brakes are not working. i have a 2012 F350 ford truck. I thought it was the brake controller, however I installed a new aftermarket brake controller and still no brakes. The brakes lock up when I pull the safety pin. Desperately need help.

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Expert Reply:

Electric over hydraulic brake actuators like # K71-651 only work with certain brake controllers. The brake controller will have to have an electric over hydraulic mode to be compatible. I recommend using the P2 # 90885 or P3 # 90195.

Make sure that you have the unit properly grounded to the negative terminal on the trailer battery and to the ground wire on the trailer connector. Check the other wiring connections and make sure they are not corroded.

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Michael H

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