Originally Posted by Farther
Since this thread seems to have stalled I'll suggest another brake controller. I have no experience with this model but has anyone used the Curt 51180 brake controller? It seems that this controller would uncomplicate life somewhat.
The in-line package is clever. It takes the "no wiring" approach of the Teknonsha Prodigy RF one step further, by also eliminating the physical mounting. On the other hand, having that huge thing sticking out of the receptacle would be in the way for many setups, and I wouldn't trust the average receptacle mounting bracket to handle that.
I'll note that these wireless controllers all exist to avoid brake controller wiring on the tow vehicle, but they still need power, so they still need a 7-way connector (not the basic 4-way) with the reliable power to the +12V pin. As the installation instructions
explain, with some tow vehicles it takes some convincing to get the power turned on, so in some cases that would need to be confirmed every time the tow vehicle is started; in those vehicle that would be an issue for charging the trailer battery anyway, but depending on it for brakes as well raises the stakes.
Originally Posted by Hilola
Think I would be very leery of a wireless device for something as important as trailer brakes. YMMV
As with other similar RF-connected and trailer-mounted controllers, the primary control does not involve any wireless connection. The controller is activated by the brake light signal in the 7-way receptacle, and the amount of braking is controlled based on acceleration, measured in the controller. The wireless connection is only used for adjustments, status, and manual braking. Yes, manual braking could be an emergency need, but manual braking in an emergency is only needed for an unstable trailer.
On the other hand, if you want the least reliable way to connect two devices, a Bluetooth connection to something outside of and behind the tow vehicle, controlled by a free mobile app, sounds like a good contender.
I would expect it to lose connection occasionally, which might not be a big deal. As with any other current and similar mobile tech, it might still be working fine in a decade, but it could also be unsupported and non-functional next year or with your next phone.