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Old 03-31-2016, 10:48 PM   #11
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Our 2014 Tahoe has this feature. We were towing across New Mexico in April 2014 and developed an oscillation. The Tahoe applied the trailer brakes before I could react. It was a very strange sensation and it startled us. When we stopped for the night, we checked the owner's manual for an explanation, and there it was. We now have a different trailer and it has a sway control bar. Much better!

2015 Palomino SolAire 20RBS
2014 Chevy Tahoe Z71 with special towing package

2015: 18 days camping
2016: 21 days (so far!)
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Old 03-31-2016, 10:51 PM   #12
Join Date: Feb 2013
Location: Southeast Texas
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My 2012 F-150 EB with max tow pkg also has the sway stopper feature. IMO it is not sway control. When I towed with a conventional WDH+friction sway bar it only activated a couple of times when side-winds got frisky. I was glad when it did. Since switching to a Hensley I never have sway problems regardless of wind, trucks, etc., and it has never activated.

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Old 04-03-2016, 06:05 PM   #13
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Thanks for the reply back. Kinda figured the same just making sure. Have a great one. Thanks Jim
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Old 04-04-2016, 12:16 PM   #14
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Originally Posted by TXFolkie View Post
As I read my manual, automatic sway control provides differential brake control to your tow vehicle but not to the trailer. It does also apply the trailer brakes but evenly on both sides. The brake control wiring to the trailer doesn't have a left/right so there's no way to accomplish differential braking as needed to the trailer for sway control. Always use your hitch sway control to prevent or minimize sway. Then, if all else fails, you can rely on your vehicle sway control to hopefully keep the shiny side up.
You are correct, in that (so far) trailers do not have multiple braking channels to apply voltage to individual brakes independently.
But you don't need differential trailer braking to control sway. As far as I know, since the beginning of trailering with the oldest turd of a time-delay brake controller, trailer sway was halted by simply applying the trailer brakes manually (single-channel, to all trailer brakes). This simple act brings the trailer back in line.
The only difference here is that (apparently) some/most/all integrated systems will do this for you automatically at some point.

That said, I agree with everyone here. Don't rely on the electronic nanny for sway prevention. This could result in overheated trailer brakes from constant use. If you don't have sway control integrated into your WDH, let a cheap friction sway controller keep the trailer in line 99% of the time, and the electrical stuff will help further if/when needed.

thebrakeman ('70), DW ('71), DD ('99), DD ('01), DD ('05)
2004 Surveyor SV261T (UltraLite Bunkhouse Hybrid)
2006 Mercury Mountaineer V8 AWD Premier
Equal-i-zer WDH (10k), Prodigy Brake Controller
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f150, sway, trailer

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