On my SNSC 2.3, there was no 5v line from the ESC, only the 36v, voltage conversion for brake and acc was done via iot box/dash. What I did, to connect a g30 dash that uses 4 wire, was cut the cable coming from the ESC, and (connections are from esc to dash) wire the 5v blue wire from esc to the re...

Is it possible to flash ex-rental spin snsc 2.3 w/o swapping dash display? Can this be done with st-link alone? There is no c2 capacitor and no button on stock dash. Also does it do any good to solder in a button into stock dash?