No power/screen
When fitting or taking battery out
It’s sparks got multimeter on terminals where battery goes inAnd there is a dead short between the live and negative prongs disconnected motor cable and still a dead short
Taken battery out as sparkChecked the rear part of where the battery plugs in the plus and minus are reading a dead short on a meter what did suggest the main brain has gone as when the battery was plugged in there was no electrics