i was trying to remove a harmonic balancer on my olds 88 and i hit the battery with a c clamp and shorted it on my engine somewhere. it must have blew out a sensor or relay. it turns over but wont fire up.what do you think happenedRelated QuestionsEngine knocksEngine knocks. I do not hear it when in park, neutral, or when giving it gas. Oil level good. Recently changed plugs and wires, which helped briefly. Any ideas?REBUILTi rebuilt a 307 engine on 1984 olds 98. it turns over real slow with a good battery. do i need a high torgue starter?2000 ford explorer 4.0 engineIt start then shut off n battery won't stay charged RESPONSE Test alternator - battery and look for parasitic draw.