Wiring harness design in CATIA V5 - 3D modeling Week 2 Challenge

part 1

Its a connector with 3 bundle connector points , having locking at top of it and has y-axis for coincidence
normal to the coincidence face, x-axis is for orientation for locking

Part 2

Its a connector cavity or mounting clip having point and axis at the mating surface.

y-axis is for coincidence axis and x-axis is for orientation axis

Part 3

Its a connector with 8 bundle connector points , having locking at side of it and has y-axis for coincidence
normal to the coincidence face, x-axis is for orientation for locking