EZGO 27739G01 Voltage Regulator-4-Cycle-From 12/93 Used on all 1994-current E-Z-GO 4-Cycle Vehicles, 1984-1991 Club Car Gas models and Columbia's 1982-1994 Columbia/ParCar 2-Cycle Vehicles (OEM# 74510-85) Responsible for regulating charge voltage of the alternator and protects electrical elements of vehicle A replacement of the voltage regulator may be needed if you're having problems with your golf car motor