Feature:

- High Precision
- Racing look enhance the characteristic to your car/vehicle
- Fitment : Universal 52mm diameter Voltmeter fit for Motorcycle Car /Truck/ Gasoline Engine
(The compatibility just for reference .Please make sure the item fit for your car before purchase.)

Fitment:

Fit most of 12Volt gasoline vehicle,
Fit 2" or 52mm Diameter Gauge Pods holder

Application:

Color: Black
Voltage: DC 12V
Diameter: 52mm/2“
Material: Plastic
Quantity: 1 Set

Package Included: （as the picture shows）

1x Air Fuel Ratio Gauge
1x Sensor
OR
1x Gauge Cup

Note: The gauge cup needs to be purchased separately, the gauge does not contain the gauge cup ! !

O2 sensor instructions

- The white line is at heater ab
- Black line signal line C, gray line signal ground D
- 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.
- One white wire connect with the car shell or battery negative pole.
Another white wire connect to the ACC line of ignition switch
- The white line is the heater and does not distinguish between positive and negative electrodes
- About the air fuel gauge, please see the installation instructions.