2" 52mm 12V Digital Display Car Fuel Level Meter Gauge Automobile Meter

2 52mm 12V Digital Display Car Fuel Level Meter Gauge Automobile Meter. 1. Meter Introduction: Voltage: 8-18V. Size: 52mm. 2. Meter Application Description: The meter is fit to a resistance type fuel level sensor, and the measuring range of the sensor is 2K. 3. Wiring instructions. Red wire: connected to ignition switch ACC. Green wire: fuel level sensor signal wire. Black wire: battery negative electrode. 4. Setting description. 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). The meter 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). The meter 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 worki