05 sierra 4wd low wont lock in

[dustin88]

I got a 05 sierra my 4wd low won't lock in can still put it into 4hi and auto but when I try to lock in 4 low it won't engage

 

[happy 2011]

How are you trying to put it in low. there is only one way to do it so it will work.

 

[dustin88]

Like I always have it just won'ti engage