front end wobble

[j250trxr]

i have an 86 k30 350/465/205/60/14,the truck is all stock, and i have a problem i cant figure out .if i put my transfer case in 4h with/out the hubs locked and turn the wheel on a corner the whole truck woobles back and forth really bad like if u had the hubs locked in but worse.never did this before,its almost like the death wooble, thanks

 

[AZ79K5Project]

Unlock the x-fer case and check to see if your front drive shaft spins freely. Your hubs may not be disengaging.