D11Monster

I have decided to go with a 4.3 out of a 2003 s10. I need to know about the wiring. do i just buy the harness from junk yard. I dont have to worry about emissions. i do not want cats or other security /emiss crap the wiring is all i need to know.

thanks

ive searched and no one is really clear i need someone to spell it out for me lol