12V 4 pins VOLTAGE REGULATOR RECTIFIER FOR ATV QUAD MOPED GY6 PIT BIKE | eBay
Universal Motorcycle Voltage Stabilizer Motor Bike 12V 6v Regulator Current Rectifier ATV Scooter 4 Pin AVR Autostabilizer|Motorbike Ingition| - AliExpress
2, 3 and 4 wire Rectifiers
Rectifier regulator 4 Pin connection with wiring harness | Honda CD 70 2020 | All China motorcycles - YouTube