Hey guys, first time poster. I have a 1987 c10 with the ls swap. I am stuck on the wiring. The light green wire going to the low pressure switch is hooked up and receives a/c request. The dark green wire is not hooked up and I'm not sure where it needs to go. The high pressure switch on the back of the compressor- the ground is hooked up. The power wire is not connected. If I tie the high pressure 12v wire to the low pressure 12v wire I can get the compressor to come on but does not cycle in stages. Im sure that is not the correct way of connecting the wires so I disconnected the wire going to the compressor. Any help will be appreciated. So I am needing to know where the dark green wire on the low pressure switch @ dryer goes and also the 12v high pressure on switch wire on compressor goes. Am I missing just a relay? Do I need to wire a/c request to relay-then term30+85 relay then 86term to low pressure switch- wire high pressure 12v to term 87 relay? If so does the ecm detect wot shut off?