Thanks. I actually got two out and can see the retainer spring detail and have a drawing from Delphi of it. I ordered a removal tool on eBay just for the next time it's needed, cheap enough.
Delphi Packard 12031876 GM Automotive Micro Pack Connector Terminal Removal Tool | eBay

 

oh wow thats alot of information for one little clip LOL. but yeahyou can see on that one section right next to the square part that if you just slide the paperclip right up alot that itll let go and allow it to slide right up