2nd Gen tacoma Locker light and locker wont work

So I have no idea where to start but my Rear locker isnt working and i need help. Yes 4 hi and 4 lo are working. When i press the locker button in 4 lo nothing works at all no red indicator light at all. Has anyone ever had this problem yes i check fuses there good.

 

Are you in neutral when doing it?

https://www.tacomaworld.com/threads/engaging-factory-rear-locker-how-to.306996/

 

Yes i am I've used my locker a ton and even if the lock wont engage at least the indicator light would come on and blink But im not even getting that there's nothing coming on at all.