Need Help!!!

I got a 97 gt. So far I've put 2 1/2 inch piping magnaflow exhaust with an off road x pipe, 75mm throtle body w/ C&L trueflow upper intake pleneum,bbk cold air induction, bbk caster camber plates and tokiko shocks and struts. Now that thats out there Here's the problem My EEC fuse blew out when I was driving yesterday. Could any of the mods have anything to do with the fuse blowing out or is there a short somewhere? Has any one had this problem before? How much can I expect to pay to fix the problem??