This customized wiring harness is used for the positive electrode of the new energy vehicle motor controller and the positive electrode of the high-voltage box motor. The connector uses the American Amphenol, the air plug connector American Amphenol and the domestic AVIC Optoelectronics, Basba, Ricor, Rixin, Wall, etc. have all been used; the wire material is double-shielded cable with high voltage resistance of 1500V EV; the terminal uses hexagonal crimping method and cross-sectional analysis experiments are required; All materials comply with ROHS requirements and are processed in strict accordance with IATF16949 standard. The products have excellent performance, durability and quality assurance.