Can i remove ignition lock cylinder and switch when key will not turn

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When I 2004 Pontiac Grand Am key will not turn all steps to try remove lock cylinder will not work. Already ordered replacement parts if key will not turn is it possible to remove in tire assembly with ignition lock cylinder still inside of ignition switch does it require to remove the wires to turn the key. I know to remove the cylinder itself you must turn the key which is why I bought the total assembly with cylinder. Have not attempted to remove.