16. BATTERY/CHARGING SYSTEM/ A.C. GENERATOR MXU 300/250 Regulator/Rectifier Connectors REGULATOR/RECTIFIER INSPECTION Remove the right side cover. (Refer to chapter 2) Remove the regulator/rectifier wire connectors. Check the continuity between the wire terminals. Lock Nut Regulator/Rectifier Normal Direction: Continuity Normal Red/White Direction (+) Probe (-) Probe I Yellow Green Yellow II Red/White Yellow Reverse Direction: No Continuity (+) Probe (-) Probe Reverse I Green Yellow Green Direction II Yellow Red/White VOLTAGE REGULATION TEST Connect a voltmeter across the battery Black terminals. Start the engine and gradually increase the engine speed. The battery terminal voltage should be within 14.015.0V. 16-8