Bulkhead Replacement HELP!

[LargerCharger383]

Hi everyone,
I just found the new site am I'm glad it's back, because I need some help here!  I own a '74 Charger, but it has an engine out of a '69 roadrunner (still green!).  I've been going through and replacing old and damaged wires that the previous owners decided to ignore and cover up with wire loom . Anyway, I'm trying to run a few new wires through the firewall bulkhead plugs, but I can't for the life of me figure out how to remove the old connectors.  I thought you just squeezed them together and they popped out, but they didn't.  These are the male connectors i'm talking about.  any help or suggestions would be much appreciated!

Sorry about the picture quality, I have an old camera.

[histoy]

I just went out and checked my replacement male connectors, and you should be able to squeeze them together and then push them out.   However I had the wire connections overheat in the bulkhead connector on my '64 Belvedere, and the plastic melted around the male connections, and I couldn't remove them.  I had to get a different bulkhead connector.