EZGO 30353G1 Diode, 3-Amp Fits on 1989-current E-Z-GO Electric TXT, Marathon, Medalist, Titan, 4/6-Passenger Shuttle, Shuttle 95,Workhorse-MPT (Multi-Purpose Truck) Regulates and maintains the electrical power to the solenoid For vehicles with series controllers, cannot be used with PDS (Precision Drive System) or DCS (Drive Control System) Controllers