We tow our 2006 Cabin-A with a 2009 4 cyl Auto Ford Escape. The Cabin-A tops in around 1500 lbs loaded. I installed a P2 that I had, in the Escape. The Escape has Zero problems with the TT stopping with the Electric Brakes. I WOULD NOT want to tow it with out the brakes! Its a cheap investment to make to have the feeling that it will stop in the distance that you want it to.
We use to tow a 1400lb pop up (Non braked) with a 1/2 Ton GMC truck. Stopping the 1400lb PU would "push" the truck, you could feel it and it was not a good feeling!