Digital 52mm Auto Air Fuel Ratio Gauge + Voltmeter volt Meter Indicator Smoked With Narrowband O2 Oxygen Sensor OE 0258006028

Air Fuel Ratio Gauge Specification :

Easy to install,easy to use
Universal fit for 12 volt car
Black Case
Black Gauge Ring
Size: 52mm diameter or 2 inch gauge

Package Included:

1 x Air Fuel Ratio Gauge
1 x Users Manual In English

Oxygen Sensor Specification:

Working Voltage: DC12V

Signal Line Voltage: 0-1V

Spiral: M18*1.5

Use Wrench: 22mm

Output Voltage: Maximum value ≥900mv/ minimum value ≤50mv.

Response time: (600mV-300mV) ≤100ms.

Response time: (300mV -600mV) ≤100ms.

Starting time: ≤10s

Heating resistance: 8.5~9.5Ω

Internal resistance: 200~300Ω

Package included:

1* Narrowband Oxygen Sensor

How to Connect the Gauge to Sensor :

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.