It first started that I would crash at any time I entered Vault 112 so I first assumed it was that location. I used console codes to skip the quest to the point where you meet James at Rivet City. I fast traveled there and entered the Science lab and got the same instant crash problem. So I defaulted to an earlier save then back-tracked to the point where James was walking in the wastes on his way to Rivet City and right about the time he should have come into view the game crashed again. There I concluded that he is the problem.
As this point my only ideas are to skip to the point where SPOILER James dies, which I really DONT want to do. Or I could attempt to substitue the "older" james model with the younger one from vault 101 and see if that fixes it using the GECK.
Any ideas? Anyone know how I could switch the models with the GECK? Thanks in advance.