12V Adjustable LED Oil Gauge Compatible for Motorcycle Car Gauge Description OOTDTY Working DC12V Resistance: 8-566ohms cable: Black: + 12V positive Green: -12V negative Yellow: singnal input LED display Red Yellow ,eight blue Dimensions: 48x28x19mm(LxWxH) Cutting Size: 4626mm this meter have adjustable potentiometer , it can not the same for time use with original car oils scale Fill Up the for Tanks, adjust the potentiometer until led meter all bright , and until do nofor t have any oil in for tanks adjust the meter led all crushing out Red lights is power supply light ,the yellow Turn off mean no oil , 5-6 is bright together the other onebyone bright Must cooperate with oil (float).Cannot be used together with the oil scale. Package include 1pc 12V UnversalMotorcycle Car Oils scale meter LED Oil Fuels level Gauge _x000D_ _x000D_ _x000D_