http://www.soliwiki.com/E3D_extruder is a walkthrough for assembly of the E3D. This was aimed for the v4/v5, so ignore the assembly instructions and follow the Tom's video I linked above. This Soliwiki link gives instructions for flashing the Sang.
The instructions I linked earlier are for the Printrboard only. So please do not follow it for your sake 
Printit Mason and Printit Horizon printers
Multiple SD2s- Bulldog XL, E3D v5/v6/Lite6, Volcano, Hobb Goblin, Titan, .9 motor, Lawsy carriages, direct Y drive, fishing line...the list goes on
Filawinder and Filastruder #1870.....worth every penny!