Detection and Identification of Electronic Harness Faults

Grounding: The burning law of the electronic wiring harness is that in the circuit of the power supply system, the electronic wiring harness will burn wherever it is grounded, and the connection of the intact part after burning can be used to ground the wire there. If the electrical harness burns out to the wiring section of the electrical device, the fault of the electrical device will be flagged. Short circuit: The electronic wire harness is kneaded and impacted by the outside world, resulting in damage to the insulation layer of the wires in the electronic wire harness, resulting in short circuit between the wires, causing some electrical equipment to lose control and fuses to blow. When judging, the electronic wire harness connector and control switch at both ends of the electrical equipment can be disassembled, and the short circuit of the circuit can be detected by the ammeter or test lamp. Open circuit: In addition to the obvious cracking phenomenon, most of the rare faults occur between the wire and the wire terminal. After some wires were cut, the outer insulation and wire terminals were intact, but the inner core wires and wire terminals were cut. When judging, the tensile test can be carried out on the heat-resistant conductor and the conductor terminal suspected of open circuit. In a tensile test, a conductor may be considered to be open if the insulation of the conductor becomes progressively thinner. Poor line contact and faults often occur in connectors. Poor connector contact: When the fault occurs, the electrical equipment can not operate normally.

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