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Old 06-23-2016, 07:06 PM   #11
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Guys, Sway Command works independently of your brake control, and the two really don't care about one another. The Sway Command monitors, and controls, only the trailer. There would be no compatability issue.
This was my understanding from watching their video. If the system detects sway, it applies the brakes on one wheel to bring the trailer back to normal.
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Old 06-23-2016, 08:00 PM   #12
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You are correct.
maybe.. the brake controllers in the link I cited do work.. any others may or may not.
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Old 06-24-2016, 12:50 AM   #13
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So if your trailer starts swaying and the sway command kicks in and then you hit the truck brakes, which activates the brake controller, which then activates all the brakes on the trailer, what's the point of the sway command? Or if the trailer is in sway mode does the sway command override the TBC? Or vice versa. Thus the compatibility issues.
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Old 06-24-2016, 05:40 AM   #14
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So if your trailer starts swaying and the sway command kicks in and then you hit the truck brakes, which activates the brake controller, which then activates all the brakes on the trailer, what's the point of the sway command? Or if the trailer is in sway mode does the sway command override the TBC? Or vice versa. Thus the compatibility issues.
All the brake controller does is supply voltage to the brake mechanism, which actuates the brakes. From the trailer's perspective, I don't see how any brake controller is any different than another. There's either voltage on the brake line, or there isn't.

The more voltage supplied to the brake, the harder it is applied. My guess is that Sway Command just actuates whichever brake is required to bring the trailer straight again. If the brake controller is actuated at the same time, presumably it would be sending higher voltage, and effectively "override" the Sway Command's input.

The only thing I can think of is if the brake controller will act adversely in the presence of voltage on the brake line that it didn't generate. Maybe that's it?

From the manual:

"Note: In the event a tow vehicle brake controller detects a fault after Sway CommandTM detects a sway event, manually activate the tow vehicle brake controller a few times to clear the fault."
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Old 06-24-2016, 06:25 AM   #15
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A Ford Truck, with Factory Trailer Brake Controller, does the same thing thru the TV break system....right?


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Old 06-24-2016, 07:02 AM   #16
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Our sway command kicked in and never were the tow vehicles brakes engaged. the point is to stop the sway and put tension on the trailer. You don't hit the tow vehicles brakes; its the same a driving on ice. Never hit the tow vehicles brakes hard..if you have to because you have a flat.. do it easily and gradually.

If you do put your foot on the brake , the controller senses the pressure and actuall y puts more braking pressure on the trailer so it does not shove against the truck.

We got the brake controller for mountain downhills.
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Old 06-24-2016, 09:03 AM   #17
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A Ford Truck, with Factory Trailer Brake Controller, does the same thing thru the TV break system....right?


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If you're referring to your TV, yes. You have AdvanceTrac with RSC which Trailer Sway Control is integrated into the system. It all works through the ABS module and the HCU (Hydraulic Control Unit) which modulates brake pressure to the specific caliber(s).
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