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Let’s call this the black box of the i-1. Hall says, “The terminal block assembly acts as a junction block between the supercharger, its sensors, power, and the i-1 controller.” This is where all the wires from the controller in the cabin will mate up with this unit; these are all labeled for proper installation. On the opposite side, you have quick connects that lead from the CVT (Continuously Variable Transmission) motor, power, encoder wire, and a couple of speed sensor ports, including a slot for pre-OBD II vehicles. This allows for hardwiring the tach signal and pedal position.