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搭铁线是汽车电气系统中一种不起眼的零件,但是它在电系中所起的作用却非同一般。就是这根小小的搭铁线,常常引发意想不到的故障,甚至导致汽车重大损坏事故。1 搭铁线是汽车电气系统的“生命线”汽车电气系统大多采用负极搭铁,蓄电池的负极只有与车架、车身、发动机机体或变速器壳体等通过可靠连接,构成回路,各用电设备才能正常工作。由于发动机、变速器等总成与车架之间设置了防振橡胶垫块,因此,蓄电池与车架之间、发动机与车架之间分别用电缆线相连,这条电缆线称为主搭铁线。
The ground wire is an obscure part of a car’s electrical system, but it plays a very different role in electrical systems. It is this little ground wire, often lead to unexpected failures, and even lead to major car accidents. 1 Ground wire is the “lifeline” of the automotive electrical system Most of the automotive electrical systems use a negative ground, the negative battery only with the frame, body, engine or transmission casing through a reliable connection to form a loop, the power equipment can normal work. As the engine, transmission and other assembly with the frame between the anti-vibration rubber pad, therefore, between the battery and the frame, the engine and the frame were connected with a cable, this cable is called the main ground line.