Start capacitors are electrical devices that are an important part of the motor in your dishwasher and their purpose is to give the motor the extra push needed for it to start running. This replacement 4UF Capacitor acts like a battery and stores energy for your appliance. If you turn your dishwasher on and the motor stops or makes a loud buzzing noise, then the capacitor will need to be examined. You may notice bulges on the capacitor or burn marks and blackening on it which point to the capacitor needing replacement.
