BK Controller set up problem

[GriffinRU]

Originally Posted by evader

took the shrink wrap off because I thought I was going to have to solder it back on...already wishing I didn't take it off :neutral:

So should I solder it to where the black wire is soldered to the esc?

Strip wire where white arrow points and solder there, it would be hard to solder directly to pcb.

-or if it helps try to solder to the brown wire (blue arrow) from 3-pin rx-cable, same ground reference.