hi all, the wire feed on my super mig has started clicking and working sporadically , I changed the knackered power cable today would this relate to this ? the old plug didnt have the earth cable fitted and im not too sure if I put the earth of the new cable in the right place in the welder - ive screwed it to the base of the machine . I m a complete novice and was hoping someone might have some suggestion why its not running smoothly,cheers del