Need ep hvig troble startng..

[joshcereal]

O so i blew a 75a fuse(was tierd and put the negtive on postive when my battery went dead) and replaced it now come to find out my car wont start. so i thought mabye its the battery cuz it wasnt charging all the way replaced that.still nothing. well than i thought well since its been sitting mabye its the spark plugs replaced those and still nothing. so now im not really sure what it is im propley mising somthing my dumb ***......

well leave what you guys think it is and what i sould try