I get occasional requests for Manuals and wiring diagrams for the old GGC E-max. These are probably applicable to similar 2000 watt e-scooters under other brand labels too. I have put them up on a file sharing site here:
As always with these download sites make sure you click the correct "download" button - not the one that downloads the usual spyware/adware laden app you don't need...
EDIT: Link no longer available. PM me if you want the documentation.