I too like to use Molex connectors. As I tear down, I install the Molex plugs. That way I can remove whole assemblies. I usually lay them out with their attaching hardware either on a piece of cardboard or more often another machine...all in their relative position. Then at my leisure, I can disassemble each major component and rebuild and clean. It's fun on the other end of the restore to put the full components in and just plug them in.

Here's the underside of a KISS and you can see lots of Molex plugs...

Lower_playfield.jpg