Interesting, thanks. I can see the attraction of not having to find somewhere in the dash to mount the controller, especially in a car that's so tight on space like the DS. However, as the controller is attached to the trailer rather than the car, you'd need one controller for each trailer you use - and I have three! Also, I'm a bit puzzled where it gets the power to operate the brakes, which require a constant feed of up to 30Amps depending on the size of trailer. In their wiring diagram they show the power coming from pin 2 which is already used for reversing lights if you have a caravan or camper trailer. Then in the instructions they say using this pin is optional and it can be connected to any permanent 12v supply, which would mean running another wire to the trailer just to operate the brakes, which kinda defeats the point of it being wireless, doesn't it, or have I missed something
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