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Questions for Hayes air trailer brake controller users


CrazyCooter

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Has anyone else found their Hayes controller to be noisy upon first brake application? Mine makes an annoying clicking noise and then it moves over to the right at a pretty fast rate.

 

Also having a hard time modulating the trailer brakes and I think it's because it takes so little pressure to stop the truck. If I dial it down it won't even activate the trailer brakes. If I dial it up, the trailer brakes are real touchy.

 

I upgraded the wiring in the trailer to help with the poor brakes when I first got it. Then found out they had installed 6K brakes with 7k axles on our originally tandem trailer with a 16,000 gvwr. They covered the 7K brake install and that made a bigger difference. Then I added the 3rd axle and this was almost satisfactory for stopping with a pickup!

 

Another thing I notice is that the trailer will yank the Pete pretty hard when manually testing the brakes. It doesn't do it in the Dodge despite it having a Maxbrake installed. The only thing I can think of is that the Pete was wired with 10ga throughout the braking system and the dodge is using the factory wires. WOuldn't you think the yank would be more noticeable in a 10k pickup then a 20k truck?

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On ours, a 1/4 turn of the knob makes a difference. I have it set so the camper leads the truck slightly, but the truck actually stops the trailer. Using just the johnson bar, there is a noticeable tug from the rv. Maybe on level ground the rv brakes would eventually stop the truck. The wiring is 12gauge on ours but I don't think that would make that big a difference.

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I'm thinking mine might have a sticky spot right at initial engagement.... Have to check that out. Miss my Maxbrake, but I think this is our best option for now and it would better serve me in the pickup.

 

If memory serves, our brake wiring was originally only 14ga in the trailer. Dexter's own recommendation on a 4 brake system of my trailer run is 10ga min. No surprise some bean counter had a hand in that! It is now a 6 brake system and still have some in reserve. Adding an additional ground at the axles help as well.

 

I think the bottom line is it's a challenge to feel when the trailer is doing it's fair share with the brakes these trucks have

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I installed mine at the ECR, and it does exactly the same thing, clicked and moved rapidly towards engagement. I have to adjust mine almost to full to get it to apply properly. Steve Dixon has one on his truck, I showed it to him, his doesn't do it, but my new one does. There isn't a lot of total movement so manual application is tricky. But there again we are using 1950's technology here. It does what it is supposed to do. There are not a lot of choices out there for direct proportional brake appliers. Everyone seems to favor inertia types, which don't work well in our vehicles.

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