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What is the manifestation of a broken relay in a car?


Car relay broken symptoms have starter does not turn, starter start weak, starter idling and so on. Relay is a kind of automatic control device when the input (electricity, magnetism, sound, light, heat) reaches a certain value, the output will change by leaps and bounds. If the relay of the car is broken, the following conditions will occur:
1. The starting line is faulty. There are breaks in the starting line, poor wire contact or loose, etc.;
2, power failure battery loss or plate vulcanization short circuit, starting power supply wire connection poor contact;
3. Starter failure Commutator and brush contact is bad, electromagnetic switch contact plate and contact is bad, motor excitation winding or armature winding has local short circuit, etc.