I meant to address that problem, too, but got wound up with the description on how the brakes work. I would check the brake wires - specifically on the axle leading to the brakes. I would suspect a loose or corroded wire nut - not a short. An open circuit on one of the wires to the brake magnet on one side could cause the brake on the other side to be "grabby" since it would be getting all the current that would usually be split between them causing it to grab. I don't know if an open circuit would give you an SC error, but suspect it would since it would sense a change in resistance from two magnets down to one. I haven't done it yet, but I plan on getting rid of the wire nuts and soldering all the connections and putting shrink tubing over the joints. They make shrink tubing with glue inside it so when it shrinks the glue melts and makes a waterproof seal.
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