oil pan tap

I tapped my oil pan and installed my oil return line from my supercharger but where do i install my inlet line? I bought the supercharger used and it didnt come with the lines or instructions.. i was thinking from the oil pressure sender but I don't know where that is even located or if I even have one.. motor is a 1987 302 if any of you turbo or supercharger guys know where the inlet should be that would be some good help :D