In the Raptor you can lock in your diffs in 2wd. Has anyone figured out how to do this in a FX4? Is it as simple as modifiying the pull out switch on the 4wd selector?

 

With the wiring diagram you could run your own switch to engage the locker. There is a two wire connector on the driver side of the diff that engages the locker. Just a basic 12 volt switched input. I will eventually get around to doing this on mine as well.