Not sure if this goes here, but it seems the best place for it. I've seen lights on my dash that say 4wd lock or something like that, but when I put it into 4wd the lights on my dash don't come on. Are they supposed to come on once I put it into that? The 4wd works great just curious as to why it don't come on. If it helps the trans and motor are from a different truck and the truck they were from was 3yrs newer then mine. Thanks.