Test Car water temperature meter Voltage gauge 2 IN 1 how do Truck water gauges sensor

Test Water temperature meter sensor Effect, Open the meter, instructions installation and explain Name: LCD water temperature Voltage meter two in one Working voltage: 1224V Thread: 10MM, 14MM, 16MM, 17MM, 21MM Application: truck, car, train The red wire is connected to the positive pole, black wire is connected to the negative pole High and low voltage alarm High and low water temperature alarm easy installationstable quality Led liquid crystal display Welcome to Qiaopai Auto Parts, our factory manufactures auto parts and export to foreign country. Contact us Company Web