there is a solution on rear diff locking...Bradda lolux did it all..hes modification works...I was support to do a write up but I totally. For got Wat he did but here some pic..
It went some like this..flip, screw some thing ,get a 3rd gen bracket switch it w the 2Gen the flip something again.something like that..Lol..LOLUX.pls take then stage..I forgot Wat we did..lol
When you lower the truck the proportioning valve makes the truck fill like it has a load in the bed. So the rear brake lock up befor the front do. By doing this little mod it put it back to stock
It works...i almost had a accident but i was bless..my rear diff locked on me and i had no control...wen we did this mod..i test it out and had all control on my brakes even wen i slam on my brakes..