trailer brake

This sucks!!!!! 21’ Powerboost that I love but the damn left turn on my trailer faults out 80% of the time and the horrible “trailer disconnected” alert comes up, ALL THE TIME! Plugged my boat trailer into my Bronco = Perfect Plugged into my friends 24’ Duramax = Perfect Dealer says the...

I have a new 2021 f150 power boost. I purchased a 2020 airstream and towed it 10.5 hours from Wisconsin to Nebraska. I set the trailer brake fine in Wisconsin and it seemed to be working without issue. I did mess with the gain a lot trying to get it right. I parked in my driveway for 3 days...