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Dexter Axle Brake Actuator - Electric-Hydraulic Brake Actuator - K71-650 Review

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Review of Dexter Trailer Brakes K71-650

Today we're going to take a look at the Dexter electric over hydraulic brake actuator. Has a 1,000 psi capacity. This electric over hydraulic brake actuator will activate your trailer's hydraulic brakes when you apply the brakes in your tow vehicle. It does require a brake controller to send the signal from the tow vehicle to the actuator when the breaks are applied. This is compatible with most electronic brake controllers that have the electric over hydraulic brake function, and time-based brake controllers are not recommended. The other thing this does require is a seven-way brake connector, that's needed to transmit a signal from the brake controller.

The 1,000 psi rating is suitable for drum brake applications, and as you can see it has a very large reservoir capacity. Does use solid state electronics. It does require a four-wire hookup, as you can see the four wires right here. Basically the yellow wire, if you take this yellow wire that'll connect to the cold side of the breakaway switch. That's the wire that goes hot when a break occurs. A black wire right here, that'll go to the positive connection on the breakaway switch, and that's the wire that charges the breakaway battery.

The blue wire right here, that'll go to the output form the end cap controller. That's the wire that provides power from your brake controller. Then the last one is the white one, which is a ground wire. This actuator does require a minimum 9 amp-hour breakaway kit. This part will meet or exceed all Department of Transportation regulations and federal braking requirements. Comes with a nice operations manual. The last thing I want to show you is some dimensions on it.

The overall width, we're going to measure furthest edge to furthest edge, and it's going to be right at about 11 inches long. The width on it, we turn it this way, at the widest point it's going to be right at about six inches, and the height on this, at the highest point, from the bottom up to the very top right here, it's going to be right at 7 inches tall. That should do it for the review on the Dexter electric over hydraulic brake actuator with the 1,000 psi capacity.

Info for this part was:

Employee Jeff D
Installed by:
Jeff D

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