Electric vehicle harness process

Hi i am Abhishek Jadhav from Team Kratos Racing working on vehicle harness.

Im currently unaware of the process to make the 2D Harness schematic of the vehicle (Logical part) also don't know how to create a 2D symbol of a existing 3D component/connector. Also how to do synchronization of logical(2D symbol of connector and equipment, wire routing ) to physical( 3D connector and equipment, wire routing in 3D) of the complete harness.
Please suggest me a method to solve this query.