Yes sorry meant transistors. Alright ill try to get it work with 2 blades thanks!
If i get it right im gonna start to make a fine pcb with connectors. Im getting crazy of all this mess!

Just remember that you have +12V connected only from one blade. If both (S3 20pin) connectors are provided with 12V and cables attached but only other blade is powered with psu,you'll end up burning something.But that is quite obvious.