Engine Hesitates/Poor Acceleration Overcharge

Drive belt loose or worn. Adjust tension or replace drive belt.
Wiring connection loose or open circuit. Tighten or replace drive belt.
Fusible link blown. Replace fusible link as necessary.
Poor grounding. Repair as necessary.
Electronic voltage regulator or generator faulty. Test generator.
Faulty battery. Replace battery as necessary.
Electronic voltage regulator faulty. Replace voltage regulator.
Voltage sensing wire faulty. Repair wire.