52MM Air Fuel Ratio Gauge Ultra-Thin Round S-Serie LED Digital Display with Wideband O2 Oxygen Sensor 12V
Installation precautions
1.This product is suitable for 12V power supply, and it is strictly prohibited to use power supply exceeding 18V.
If the use of a power supply exceeding the voltage of this product causes it to burn out, it will not be within the scope of warranty and free return and exchange.
2.The red wire is connected to+12V, and the black wire is connected to the negative electrode.
3. Other connections should be connected using plug and play connectors, and it is strictly prohibited to damage or replace other connectors for use.
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