You should now be looking at the PCB's The power board is the one that has the switch on it, as well as two heatsinks.

Remove the wiring harness on the top right side.

Remove the connector from the inverter board, as well as the ground wire.

Remove the green cable from the power board to the housing.

Remove the connector from the top right and top side. They will only fit one way. No reason to mark the location.

The two heatsinks can be removed either now or later.