Muggy diffs in a maxx

[_paralyzed_]

that unslow??? harness just runs the batteries in parallel, so both controllers always see the same voltage, effectively making it a "one battery, two esc, two motor system" you're not on a vista computer are you? vista doesn't like the castle link, you should though get the link working and make sure your mmm's are set to either 4s or auto lipo, better safe than exploded