Novel automotive high-temperature-resistant wire harness

The utility model relates to the technical field of automobiles, in particular to a novel automotive high-temperature-resistant wire harness. According to the technical scheme, the wiring harness comprises a fireproof shell, a positioning frame and a wiring harness body, the fireproof shell is movably installed on the periphery of the wiring harness body, a buffer layer is pasted to the inner side of the fireproof shell, positioning plates are welded to the surfaces of the other ends of a fixing frame and the positioning frame, connecting blocks are welded to the surfaces of the two ends of the fireproof shell, and fixing buckles are fixedly installed in limiting belts. The periphery of the wire harness body on one side of the fireproof shell is fixedly connected with a protection block. Through the combination of various structures, the protection effect of the device can be improved, the service life of the device is prolonged, the maintenance cost can be reduced, the device can be conveniently positioned,