A CDI box can be tested using a device called an ohm meter, which measures electrical resistance. The ohm meter can be attached to either input or export wires, ensuring that the CDI box is both receiving power and trans... More »

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You can bypass a capacitor-discharge ignition (CDI) box temporarily for troubleshooting purposes. Since a CDI box transmits voltage from the pick-up coil in the stator to the ignition coil and does not generate continuou... More »

A capacitor discharge ignition is an electronic device that stores an electrical charge and then discharges it through an ignition coil in order to produce a powerful spark from the spark plugs in a petrol engine. CDIs a... More »

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A CDI box is a Capacitive Discharge Ignition found on most bikes and is linked to the ignition, where it stores an electrical charge and increases the power of the spark in the spark plug. A CDI box can only be found on ... More »

A capacitor discharge ignition or CDI works by passing an electrical current over a circuit capacitor. This type of ignition builds up charge quickly. It is ideal for smaller vehicles and motors. More »

Ohm's law states that as long as a conductor's ambient temperature does not change, the electrical current flowing through it will be equal to the voltage divided by the conductor's resistance. The basic formula for dete... More »

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Ohm's law is mainly used when building electrical devices to determine the amount of resistance needed to establish a certain current with a certain amount of voltage. Without Ohm's law, the circuit may have too much or ... More »