Originally Posted by
dpcardoza
According to the instructions if you are using an external bec then you need a separate 4.8-6V power source to power the card. I'm using a high voltage servo so disconnected the esc's bec and wired in a separate bec. So my normal 3 wire connection from the esc to the receiver is only a 2 wire connection (disconnected the red wire) . Hopefully that makes sense.
Darren
Same setup as my sct pro on all 4 of our vehicles....no need for a separate power source. Plug in your 2s/4s pack, turn on esc, power flows to program card.