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Old 08-19-2018, 11:27 AM   #1
rstarr8415
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Join Date: Mar 2014
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Defective brake controller?

I have a question for those of you that have been there done that.

Within a month of having the bearings on my Hideout 24RLS repacked I had a wheel bearing burn out. The shop that did the repacking took responsibility for the problem and replaced the brakes and bearings. Then 11 months later I had the same wheel in that location burn out again. I then had the axle replaced and repacked and aligned all wheels. On my next trip I checked the tempature of all wheels every 30 miles and found that the same wheel location on the new axle was heating up about 50 degrees hotter than the other wheels. I pulled into a highly recommended shop on route. I explained the problem to them and within 15 minutes they had diagnosed the problem as a defective OEM brake controller.
The Ford dealer checked my controller and said that it was ok. As a work around I installed a Tekonsha P3 after market controller and took a 1500 mile trip and had no problems. The brake wiring has been checked and found to be good.

Have any of you experienced this problem? I would like to replace the OEM controller so that the truck computer would connect properly with all its diagnostic info but donít want to invite problems.
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Old 08-19-2018, 12:56 PM   #2
sourdough
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I've not encountered your issue but I'm curious to see what the responses are. I'm not aware that a brake controller can direct current to individual wheels so I may learn something.
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Old 08-19-2018, 05:47 PM   #3
flybouy
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The factory brakes on the trailer and the brake controler activate all the brakes at the same time with the same voltage. I would suspect the tech overadjusted the brake on that one wheel so it was grabbing harder and doing the majority of the work causing it to overheat.
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Old 08-19-2018, 07:05 PM   #4
JRTJH
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There's one wire from the brake controller through the 7 pin connector to the one wire in the trailer wiring harness. That one wire goes back to the front axle. At the axles it splits to two wires, one to the front axle and one to the rear axle. At the roadside wheel (on most trailers), it branches through the axle shaft to the other wheel on each axle. Nowhere is there any capacity for the brake controller to "control independent braking action" to any one wheel. All are provided the same "one wire current" when the brake controller (either OEM or aftermarket) sends the signal to stop the trailer.

Any repeated malfunction of the braking system on any specific wheel would probably be a mechanical issue, not a electrical issue (assuming all 4 wheels are correctly connected and the magnets are operating properly). All 4 wheels receive the same electrical current.
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