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The aerospace industry has long been perceived as slow to adapt to new wire harness engineering technologies and processes. Many enterprises rely on systems created in-house, with each tool being structured to support a very specific design/build process. Departments and divisions responsible for defining the electrical content of vehicles and integrating the electrical systems have one of the most demanding jobs in vehicle design. Companies, especially OEMs, are finding it difficult to adopt new wire harness technologies and processes while maintaining the quality of their deliverables. Until recently, electrical system and wire harness development tools have not been viewed as an adequate solution for developing complex electrical wiring systems. Now aircraft systems and wiring designs are making a transition from traditional mechanical and pneumatic systems to electrical, and the entire electrical architecture of the vehicle is becoming more complex. Powerful new technologies are emerging and many companies are taking another look. Entrenched beliefs are changing.