'87 Toy 22RE, the engine is loaded with these little elec. connectors that have a square plug-in. There is a retainer snapring type clip that holds the plugs together. Ex. the electrial plugs for the fuel injectors. Now my question is , how do you get them off without breaking them or spending a few min. each plug with a knife or screwdriver and pry the spring down then pull the plug. Is there a cool little tool for removeing the clips? If so, where can you buy one?