Quote Originally Posted by mcantar18c View Post
I have a large amount of expanded steel mesh in the garage... if I were to fabricate a box from the expanded steel to fit over my truck's computer, with insulation between it and the computer itself, would that effectively EMP-proof the vehicle?
On your truck, it'd be easier to pull another CPU and fuse box from a junk yard, and insulate them in a grounded ammo box. Pre OBD II typically does not have enough sensors other than the CPU and fuse box that'd be fried in an EMP attack.