282106-1 Auto Connector cap Dust Cover For Wiring Harness Connector

Line beam break road
In a disconnected circuit, the current cannot flow in the circuit because there is no complete current in and out of the power circuit.
There are two possibilities for disconnection: one is a persistent disconnection, and the other is intermittent interruption. The most troublesome is the intermittent disconnection. The intermittent disconnection is often the wires in the insulation layer are broken, but the disconnection in the wires still keeps contact when parking. Due to vibration during driving, intermittent interruptions will be generated. To find this kind of broken road, you can use the wiring of doubt with your hand swing to see if there is a intermittent intermittent circuit. The following are some examples of disconnection:
① The wire is disconnected or loosened;
② The fuse burns or the circuit breaks out of the electrical appliance;
③ Components such as switching, bulb and other internal disconnection;
④ The resistance is extremely high, often showing the same symptoms as the disconnection.
The disconnection caused by the disconnection of the wire is often caused by accidental damage or vibration. The disconnection caused by damage is generally more easily observed. The disconnection caused by vibration is often complete, so it is not easy to find. Generally, only test instruments can be found. This disconnection is likely to be intermittent. The loosening of the joint may also be caused by vibration or assembly.
The fuse burning and the circuit break -up of the electrical jump are shown as a disconnection. This type of disconnection is caused by the overload of the circuit. At this time, in order to protect the circuit and components, the insurance device will actively cut off the circuit. By observing whether the fuse is burned, it can determine its good or bad.
The normal loss of some components will cause the internal disconnection (burning) of the components (such as the bulb). Normal loss also occurs on other long -term use components, such as switches and motors. However, if such components are damaged in a short period of time, they should find the causes of damage to these components in advance.
Excessive resistance will be like a disconnection, because the high resistance makes the current unable to pass the circuit. Excessive resistance is often caused by the corrosion of the wiring end and ground wire joints.
(1) The diagnosis of the disconnection of the car circuit must first find a clear cause, such as disconnecting or twisted wires, wear insulators, and corrosive connections. In a simple series circuit, the disconnection will prevent the circulation of the current, causing all the loads in this circuit to work, such as the motor is not rotated, and the lights are not bright. Before the disconnection point, there is still a voltage between the circuit and the ground line. On the other side of the disconnection point, the voltage does not exist. In composite circuits, the impact of the disconnection on current and voltage is different. In the composite circuit, the current may choose other branches. Different circuits will have different abnormal phenomena, so you cannot directly understand the fault. Checking the circuit diagram will help explain these abnormal phenomena.

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