1This is a engine voltage regulator, AVR, rectifier 2This rectifier is suitable for KDE3500 5000 6500 6700 3This voltage regulator is typically mounted on the engine and used to charge the battery 4This regulator has 2 plugs with a total of 3 wires 5If your generator has no output and/or your battery isn"t charging, this is the part that most likely needs replaceds: This is a engine voltage regulator, AVR, rectifier,has 2 plugs with a total of 3 wires,is typically mounted on the engine and used to charge the battery. And suitable for KDE3500 5000 6500 6700. Features: This is a engine voltage regulator, AVR, rectifier. This rectifier is suitable for KDE3500 5000 6500 6700.This voltage regulator is typically mounted on the engine and used to charge the battery. This regulator has 2 plugs with a total of 3 wires. If your generator has no output and/or your battery isn"t charging, this is the part that most likely needs replaced. You must make sure that your generator has these same connections. Specifications: Model: 178/186 KDE3500 5000 6500 6700 Applicable area: agriculture Accessories type: engine accessories Material: aluminum Color: as the picture Voltage: DC12V Size:as the picture Weight:198g Package Included: 1 x Voltage Regulator Special Note: Our 12V voltage regulator has 3 wires: 2 blue or green wires for AC voltage input from generator and one red wire for DC voltage output to 12V DC battery. Embedded electrical circuit is internally grounded to the case of part itself as the fourth grounding wire. It is equivalent to a 4-wire 12V voltage regulator.Please note that the color of wire will be sent randomly, and make sure you will not mind before ordering.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it