I'm in the process of replacing my fuel injectors and have gotten to the part where I need to disconnect the connectors from injectors before I pull the rail. I was just wondering what technique do I use to unlock the connector from the injector? Do I squeeze the sides or use a screwdriver to lift a locking clip. Looking at the new injectors the tabs that lock the connectors on are on the sides. I know I'm being overly cautious, but these connectors are almost 30 years old and I really don't want to break something that is perhaps brittle from years of heat and age. Thought I'd ask first before I break something.