The green connector is for the air conditioning (AC) low pressure cycling switch. It would be on the accumulator right by the PCM on your donor truck. Those wire colors match too. If you are not going to use AC just leave them taped back into the harness in case you want to add AC later.
Thank you. You have been extremely helpful. I appreciate the amount of detail you put into your replies. You, along with TT5.9Mag are definitely assets to the forum.