Most death wobble is caused by some loose componant.
1:Check all mounting bolts for all front suspention componants.
2:Check ball joints by supporting the axle with the wheels off the ground, grab the top and bottom of the tire and check for movement by pushing and pulling in the tire. No movement is allowed.
3:Check the steering linkage by having a helper move the steering wheel left to right with the tires on the ground 2 to 3 inches. Inspect all steering linkage and both ends of the track bar for movement. No side to side movement allowed.
Let us know what you find so others can learn.