2003 warrior does the diff have to be split to change the diff lock switch or is there a cheat?

the switch inside the diff I presume. yeh need to split it dave did a write up on that job @Major Malfunction

the diff lock switch is the mushroom headed one that screws into the diff casing from the outside

how to, thanks to the major is here -----------> How to remove the rear diff/ fit new diff lock switch