oil pressure sender

i want to put a transducer on the system one oil filter mount on my hemi and want to check where to tap it for the sender.also the 2 big hoses from the pump to the filter whick one goes to the centre fitting on the filter,,,which one on the pump is out and which one is in.......thanks peter

 

oil filter

You dont put oil in the center of the filter. Oil is put in the side part or the filter. When you take it apart you can see the junk, Clean oil comes out of the center and goes to the block.