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Two technicians are discussing stepper motor fuel gauges. Technician A says that a defective gauge can usually be repaired individually without replacing the entire cluster of panel gauges. Technician B says that if the power lead to the fuel tank sending unit is disconnected from the tank unit and grounded (ignition on), the fuel gauge should go to full. Which technician is correct?A. Neither Technician A nor Technician BB. Technician A onlyC. Both Technician A and Technician BD. Technician B only