Troubleshooting Dexter Electric Over Hydraulic Actuator Pump Working On Its Own  

The HydraStar Electric Over Hydraulic Actuator part #HBA16 has a 12 oz. fluid capacity and the Dexter DX Series Electric Over Hydraulic Brake Actuator part #K71-651 has a 22 oz. fluid capacity. That said, although the extra fluid capacity is nice…

The newer factory brake controllers, like on your 2022 Chevy Silverado, are generally fine with an EOH actuator like the Dexter DX Series Electric Over Hydraulic Brake Actuator #K71-651. But there are times when there are issues which is why I…

Dexter DX Series Electric Over Hydraulic Disc Brake Actuator #K71-651 should both engage the trailer brakes and release them within a second or two of you applying or releasing the pedal. Several things could cause the delay you are experiencing.…

First, the Prodigy RF brake controller #TK94FR, is not compatible with electric over hydraulic braking systems, so you wouldn't be able to use it with actuator #K71-651. A vehicle manufacturer could have higher than needed fuses for a given…

I spoke with my contact at Dexter and there is a way to troubleshoot your actuator. If you use a 12 volt battery and connect just the white wire from the actuator to the negative post and then connect the black wire to the positive side of the…

Since the factory brake controller on your 2014 Ram 3500 has an electric over hydraulic mode, it should work just fine with the Dexter actuator. But since it isn't there are some things you can try. First, check to see if you have to have the…

If the Dexter actuator, #K71-651, is not building pressure then according to Dexter the unit could be defective. If the unit is wiring up correctly, see diagram, and you ahve run through all of the troubleshooting procedures below and it is still not…

I spoke with my contact at Dexter and when I explained to him your situation he said you are totally fine. He said that the actuators will be totally fine if they were temporarily ran dry.

I spoke to a Dexter engineer about the issue you are having with your actuator. They informed me that it could be one of two different things not allowing the pump to build pressure. These two things could be an issue with the control board or the…

That fluid has to be going somewhere! What you can do is have someone activate the manual override on the brake controller in the vehicle cab while checking for leaks. Make sure the reservoir is full though. If it is not leaking at a line or…

Wiring connections for the Electric Over Hydraulic Brake Actuator are as follows. Yellow - Cold side of breakaway switch, The wire that goes hot when a breakaway occurs. Black - Positive connection on breakaway switch, The wire that charges the…

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…