RYSJM | 52mm Digital Car Fuel Level Gauge Universal 240-33ohm LED Light Electronic Display Fuel Tank Oil Level Meter For 12V Automobile

52mm Digital Car Fuel Level Gauge Universal 240-33ohm LED Light Electronic Display Fuel Tank Oil Level Meter For 12V AutomobileSpecification:8 Green LED display Fuel2 Red LED means that the gas is few,This oil meter has a delay function circuit that does not cause flickering of the LED display because the tank is sloshing during driving. Green LED can be clearly shown in strong sunlight- work on Petrol Car 12V- signal: 240-33 ohmWiring instructions:① Red wire: connected to ignition switch ACC② Green line: fuel level sensor signal line③ Black wire: battery negative electrodeSetting Description:① Press and hold the key for 3 seconds to enter the low oil level setting: the lowest LED flashes. At this time, push the oil sensor to the lowest position and press the key once (set the lowest oil level value).② The gauge enters the high oil level setting: the highest LED flashes. At this time, push the oil sensor to the highest position and press the key once (set the highest oil level value).③ The gauge enters the normal working mode after completing the setting: the LED scans from the lowest position to the highest position once and then enters the normal working mode to display the current fuel level.