Safety and Reliability of Electronic Harnesses Determined by Harness Manufacturer's Processes

Wiring harness manufacturers recommend that you make a logical distinction between the voltage signals on the terminals of the electronic wiring harness during operation, and immediately activate the stop signal and acoustic and visual alarms when a wiring harness fault is detected. According to our experience, it is recommended to select the cross-section of the conductor with a load of less than 3A at 0.75. Usually, the conductor data is determined according to the specifications. QVR type copper core PVC insulated low voltage wire is selected, but in the vicinity of the engine detonation line, due to the high temperature influence, QVR-105 type copper core heat resistant 105 degree PVC insulated low voltage wire can be selected. No faults were detected in the electronic wiring harness and the green light and long audible alarm were announced. A fault is detected in the wiring harness test and a red flashing light and continuous audible alarm signal is announced. Color symbols are used to select the color, such as monochrome wire, the color is red, marked R; two-color wire, the color is the main color, the second color is the auxiliary color, the main color is red, the auxiliary color is white, marked RW. When the wire breaks, in addition to the obvious phenomenon of cracking, there are frequent failures between the wires and terminals, after the wire is disconnected, there is no outer insulation layer and terminals, the wires of the wires and the wires and the wire terminals are broken. During the tensile test, if the wire insulation layer gradually becomes thin, it can be recognized that the wire has been disconnected. In order to ensure the safety and reliability of electronic wire harnesses, it is necessary to select and make up for their strict technical selection and remediation before using them in the production line for special vehicles or user-specific automotive wire harnesses.

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