Here is the diagram for the 144 Volt 2/0 cables on the Saturn. This diagram includes similar routing of the cables.
This includes the 4 battery boxes, inline fuse, control panel, controller, contactors and motor.

This does not include the smaller 10 & 14 guage 144 volt wiring to the battery charger, DC-DC, ammeter and voltmeter.

Electric Saturn 144 Volt Cable Wiring Diagram