Power to relay, but no power to pressure sending unit or AC compressor. What up on 2001 Kia Sportage

I have power to the AC relay passenger side, the AC worked for 2 weeks then quit again, I tried another ECM, Changed the relays pass. side. No power getting from relay to pressure switch. Whats between the 2?

1 answer
poss a/c cycling switch or high pressure switch