Super chip mounting…

A question on the topic *mounting Super-Chip*: Once you read that you can simply plug the blue Super-Chip onto the control device… THEN…you read that you should disconnect the mass pole of the battery before plugging it on… mount DANACH…. plug it up again ….and go ahead. NON…that’s not quite unproblematic to clamp the mass pole off and on again… THERE’S the question: WIIIEEEE I mount the (blue) Super-Chip correctly.? The blue Super-Chip is the The only thing that’s good for the ZETEC.