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Troubleshooting An Ausco EOH Actuator That Takes 5 Seconds To Start Pumping Fluid

Question:

Have an Ausco EOH actuator on a 2002 trailer and pulling with 2013 Ford F350...as soon as you hit the brakes the actuator starts running but it doesnt start pumping fluid for 5 seconds. Is this normal or should it pump sooner.

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Expert Reply:

There definitely should not be a 5 second delay on your actuator. I recommend using a battery to test your brake actuator to see if it takes 5 seconds from giving it 12V power directly to activate. If so, I recommend replacing your actuator. If not, the issue is in the signal being sent.

If you are using the Ford factory brake controller, that is most likely the issue. You may want to consider upgrading to an aftermarket controller or trying the Titan BrakeRite SD Adapter for Ford/Chevy Integral Brake Controllers Item # T4845900 or the # DX35FR which will work with your 2013 Ford F-350 but I can't confirm will work with your specific actuator. That is a brand I'm not familiar with.

If you are not using a factory brake controller, I recommend upgrading to the Tekonsha Prodigy P3 # 90195 and using the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Ford # 3034-P which plugs into your factory system. This adapter plugs into the connector behind your vehicle's dashboard. To reach the connector, first locate the notch in the access panel in the center of the dash, near the passenger side. Using a trim panel puller, carefully pry the panel out and undo the locking tabs to remove the panel. You will find the mating connector behind this portion of your dashboard.

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