Add harness segments

Add the two harness segments to prepare for import.

1. Double-click Harness1 in the browser to edit the harness. Be careful to edit the harness assembly rather than the harness part.
2. Select Cable and HarnessCreateCreate Segment.
3. Select the existing segment near the front of the seat to place the first point. The exact selection location is not critical.
   
4. Select the existing work point to set the next segment point. The two work points are very close together. You may need to zoom in to see them clearly.
   
5. Select the other work point to set the final point.
   
6. Right-click, and select Continue. The first segment is created.