05 explorer 4.0, ABS light came on and locked up truck, could only drive 5mph, then adv trak turned off and I was able to drive. I can only drive it now with adv trak off. Also 4x4 high light flashes, but 4x4 not engaged. Any advice?

 

Take it to a machanic to get the codes from the vehicle then you will know where to start with fixing it.