<br>Feature:<br>- High Precision<br>- Racing look enhance the characteristic to your car/vehicle<br>- Fitment : Universal 52mm diameter Voltmeter fit for Motorcycle Car /Truck/ Gasoline Engine<br>(The compatibility just for reference .Please make sure the item fit for your car before purchase.)<br>Fitment:<br>Fit most of 12Volt gasoline vehicle,<br>Fit 2" or 52mm Diameter Gauge Pods holder<br>Application:<br>Color:Black<br>Voltage:DC 12V<br>Diameter:52mm/2<br>Material:Plastic<br>Quantity: 1 Set<br>Connection:<br>The white line is at heater ab<br>Black line signal line C, gray line signal ground D<br>The green wire of the instrument is connected with the black wire of the sensor. The gray line is connected to the negative pole of the battery.<br>One white wire connect with the car shell or battery negative pole.<br>Another white wire connect to the ACC line of ignition switch<br>The white line is the heater and does not distinguish between positive and negative electrodes<br>About the air fuel gauge, please see the installation instructions.<br>Please select the correct SKU when purchasing, as shown in the picture for the package's product<br>Package Included: as the picture shows<br>1x Air Fuel Ratio Gauge<br>Package Included: as the picture shows<br>1x Air Fuel Ratio Gauge<br>1x Sensor<br>Package Included: as the picture shows<br>1x Sensor<br>OR<br>1x Gauge Cup<br>