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To test the voltage regulator on a 1974 Volkswagen Beetle, first, ensure the battery is fully charged and the ignition is off. Use a multimeter to measure the voltage at the battery terminals with the engine running; it should read between 13.5 to 14.5 volts if the regulator is functioning properly. If the voltage is below this range, the regulator may be faulty. Additionally, check for any loose connections or damaged wiring that could affect performance.

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1w ago

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