Pabla

Trying to install an aftermarket head unit in my car. The car original had the small Audio 20 screen and the install of the new screen requires moving an amp control wire from the old wiring harness connector to the new connector. I've tried so hard to disconnect this wire from the connector but nothing seems to work. I don't want to cut the wire because I don't know where I could buy a new pin from. If anyone has any suggestions on how to remove the wire and pin, please let me know. (Picture attached)

Coolaide

What car? What head unit you installing and what screen?