With the ribbon cable (top right) being 1. Following counterclockwise to the last connection (bottom right) being 9.

Unplug the machine from the power source

Unplug all connections except 1 and 3.

Plug the machine back into the power source

One by one, plug in connections : 2,4,6,7,8,5

Each time a connection is plugged in, check to see if the machine is on.  

Advise if and when the machine turns off.