People who have no basic knowledge of automobile circuits had better find a professional automobile maintenance school system to study. If they teach themselves, it will be more difficult, lack direction and take a lot of time.

To learn automobile circuits, we must first understand the concepts of voltage and current and their relationship. Learn the basic knowledge of circuits and understand the series and parallel connection of circuits. Know the names and installation positions of all kinds of automobile electrical appliances, and know the line direction. Learn the independent circuits of automobile circuits and find out the relevant points, so as to understand the circuit diagram. Understand the intermediate links related to each electrical appliance. For example, the circuit of the ceiling lamp in the car: the power supply goes to one end of the bulb (electrical appliance) of the ceiling lamp after passing through the fuse, and the other end of the bulb is divided into two paths, one is connected to the ceiling lamp switch, and the other is connected to the door switch; The other ends of the dome light switch and the door switch are respectively grounded to form two states controlled by the dome light switch. The overhead light is on when the door is opened and can be controlled after the door is closed.

If you want to learn more about automobile circuits, you can choose Xi 'an North Traffic Technician School. Xi 'an North Transportation Technical School is a well-known export base of automobile maintenance professionals in China and a powerful transportation college in northwest China. Decent working environment, generous salary, perfect welfare system, stable security system, real ability to enter school and worry-free employment. Small class teaching, 70% practical training, college diploma after graduation, more school-enterprise cooperation and order-based training.