i have a LLY and was going by the instructions from EFILive v7 tutorial. but there are some in consisatancies.. it is showing the blue connector on the pictures and the paper that came with the DSP5 switch says to use J3 connector which is a grey connector,which is the bottom connector on my ECM can someone clarify this? and can i run my truck before i put a custom tune in it with the switch installed?