ok heres the deal i got a 90 cherokee and i drove and went wheelin all weekend fine.. i went to go start today and out of no where wont start just clicks.. only thing i can think of is i killed the battery (brand new) when a tool fell on positive and hit other metal sparked for a few seconds then i hit it off? possible drand battery? i did the classic and banged the starter with hammer to see if that did anything but nothing??? any ideas?? thanks!!