KUBOTA – L2501 – ELECTRICAL SYSTEM – CHECKING AND ADJUSTING – LIGHT SWITCHES AND FLASHER UNIT – Connector Voltage

1. Disconnect the flusher unit connector.
2. Measure the voltage with voltmeter across the connector of wiring harness side terminal 5 and chassis.
3. If the voltage differs from the battery voltage, the wiring harness or fuse is faulty.

(Reference)