Designing, developing, and producing cable wiring harnesses for high-voltage electric vehicles (EVs) involves meticulous attention to detail and a deep understanding of the unique requirements of these vehicles. This includes battery charger cables harnesses, Throttle and brake harnesses, pigtail harnesses, and battery cable harnesses, which are essential for electric bikes, electric cycles, EV controllers, and EV cars. The design process focuses on optimizing bill of materials with optimal performance, ensuring safety, and complying with industry standards. Development involves creating robust prototypes and rigorous testing to ensure reliability under various conditions. In production, high-quality materials and advanced manufacturing techniques are used to create harnesses that can handle the demands of high-voltage systems. This ensures efficient power distribution, signal integrity, and durability, contributing to the overall safety and efficiency of electric vehicles.