I presume the blue plug under the side cover was connected
The black wires with the yellow marks are the standard loom wires.
On the black plug socket in you pics there is a an NR number on the wire what is the number and are there any other NR numbers on the wires or a colour band?

On the black plug socket in you pics there is a an NR number on the wire what is the number and are there any other NR numbers on the wires or a colour band?