What I have is an 87 Mustang LX with 5.0 that someone in the past has "de-smogged"
meaning they removed just about everything they could and still get it to run. I am trying to get the EGR valve (new) to work and the computer to quite throwing codes for the EGR and purge. the solenoids are missing as is the vacuum lines but fortunately the electrical connectors are still intact however there is another plug next to the solenoid connectors that I can't identify, whatever it plugs into is missing also. It is a flat Grey connector with two wires, a green one and a red one.