Yes, I know and understand that fact. My 3000# trailer has them. They certainly do help. More of a concern I have is that they generally aren't as sophisticated as vehicle brakes (ABS etc.)and in a panic stop might just lock up and push the H2 toward doom. If they are hydraulic and tap into the H2 system, tolerances for system pressure may get exceeded and cause total system failure.
All in all just a bad idea, yet people do it all the time, I know.
If you guys are on the road, let me know, I'll stay home.
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