How do you test a voltage regulator on a motorcycle?

What does a voltage regulator do on a motorcycle?

Voltage Regulators

The Voltage Regulator is an important component of the electrical charging system, and keeps your motorcycle battery from being overcharged and damaged.

What happens if voltage regulator fails?

A damaged or failed voltage regulator can rapidly diminish the alternator’s ability to cycle power from the battery. This may cause the vehicle to experience dimming or pulsating external systems, such as headlights and dashboard elements.

Can a voltage regulator drain a battery?

Symptom A: Dead Battery

A bad voltage regulator can severely damage your car battery, causing it to stop working.

How many volts should a rectifier put out?

You should receive a reading of 13.5 to 14.5 volts if your rectifier-regulator is functioning correctly.

What can cause a voltage regulator to fail?

They usually fail because they’re under rated for the constant current draw. Running the motor with the battery disconnected – or even a poor contact on the battery terminals – can also blow them.

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