Originally Posted by MisterP

One thing to check on any brake controller is the requirement to install it level. The devices contain a small pendulum or accelerometer that must be level to operate correctly. I don't know the unit linked above but one advantage of the Prodigy is that once calibrated it operates correctly even when installed off level. When I had one in my Trailblazer with our former 3124 the shape of the dash required the Prodigy to be at a pretty steep angle. Worked like a charm. Check the level requirement on any controller you are considering.