wildman ben

1995 5 speed 22re 4runner here. started it up at -30c and began to drive the speedo was working it would be at the speed I was going and then I would hear a rather loud click and it would go to zero back up and click back to zero back and forth untill finally it just didn't move anymore and hasn't moved ever since, and the odometer isn't turning either. so before I go and rip out the dash is there an immediate problem anybody can figure from this? I just figure something broke off behind the dash that was making the click sound but if anybody would know for sure that would be great.