Forum Discussion
Lwiddis
Jul 07, 2017Explorer II
The t/h mode helps the transmission stop gear hunting which with my lighter trailer is only necessary on hills. Others disagree on this issue and have it on at all times when towing. The gain needs to be set to make the vehicle brakes and trailer brakes to work together. IMO you need to read the Chevy owner's manual before you test or drive again...and you should have before picking up your trailer. Then read some on sway.
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