Wiring harness design in CATIA V5 - 3D modeling Week 7 Challenge
The Wiring Harness for the given circuit is

The flattening is done using the Wiring Harness Flattening workbench
Since the diagram doesnt contain any slack, The wiring harness and the flattened harness look pretty much alike

The wiring harness is finally drafted using the drawing Workbench


Here the wiring harness is represented as single line whereas the protective cover ( corrugated tube )is represented in double lines