Bleeding Electric Over Hydraulic Trailer Brakes without a Compatible Brake Controller

Question

Question:

I have a prodigy p3 in my truck but I just put it in the shop last night not thinking I was supposed to bleed my brakes on my trailer today. Can I still bleed them by connecting it to my other truck with just a primus IQ that is not able to accommodate electric over hydraulic brake systems?

asked by: James S

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Expert Reply:

You can still bleed the trailer brakes without a compatible brake controller. But you cannot use the Primus brake controller because it will not work sufficiently enough to properly bleed the trailer brakes. What you will need to do is use a 12 volt battery. The power and ground wires for the electric over hydraulic actuator will be connected to the battery like normal. To make the actuator run to bleed the brakes you will need to touch the blue brake output wire to the positive battery post. That will make the actuator run and will simulate power output from the brake controller.

expert reply by: Michael H

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Answer 1

Hydraulic brake actuators are specific to either drum brakes or disc brakes. If your trailer has drum brakes, then you likely have an actuator for drum brakes. If you want to switch to disc brakes, then you will need an actuator designed for disc…

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Answer 2

Below are the bleeding procedures for the Titan electric over hydraulic brake actuator #T4813102. I have also linked the manual. Fill reservoir and Bleed the brakes: Upon initial verification of the electrical system remove one of the filler caps and…

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Answer 3

First, make sure that the adapter #T48456000, is wired into the input wires on the BrakeRite EHB. White to white and blue to blue. The adapter is simulating the load of brake magnets so that the brake controller thinks there are just electric brakes…

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Answer 4

Installation location of the Titan BrakeRite I Plug and Play Electric-Hydraulic Actuator Kit, #T4813102, is at the discretion of the installer. However, you do not want to submerge it underwater so it would be a good idea to move it forward if at all…

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Answer 5

In order for something to be waterproof it needs to be able to be submerged under water for a certain amount of time and not allow any water in. I spoke to my contact at Titan and he informed me that the Titan BrakeRite EHB Electric-Hydraulic…

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Answer 6

According to Titan, if only the white and black wires are connected, the hydraulic pump should not run. With those two wires attached, the pump should start when the blue wire is touched to the positive battery terminal. The folks at Titan tell me…

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Answer 7

For any marine application I strongly advise switching to hydraulic brakes. You cannot seal out water completely and at some point they are going to short out if you keep using electric brakes. To avoid that headache you can switch to hydraulic…

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Answer 8

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 9

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 10

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

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Answer 11

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

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Answer 12

Good morning, Cliff. As of today (3/27/24) we are expecting the #KE33JR tire/wheel combo to be in stock in about 2 weeks. Hopefully this means we can take our own pictures and put them on the site within maybe about 3-4 weeks from now. What I can…

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Bleeding Electric Over Hydraulic Trailer Brakes without a Compatible Brake Controller

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