Voltage regulator 591.3702-01 is the standard regulator for factory native alternators VAZ 2101, 2102, 2103, 2106 Regulator with diagnostic elements:Red LED (engine not running, ignition on) – normalRed and green LED (engine running) – operating modeRed LED (engine running) – malfunctioncheck the integrity of the excitation circuit of the generator, the tension of the belt, the condition of the batteryreplace regulatorLEDs off (ignition on) – malfunction, check circuit: ignition switch-regulator 🔔 For other parts, ask questions in the messages. I have access to warehouses of spare parts for any Soviet cars, I will help you get everything you are looking for on request. More than 15 years of experience in the spare parts trade, I can understand what you are looking for, even if you yourself do not know what it is called. 🚀 I use AIR mail shipping with track number