ok heres the deal...i have a 87 supra na and my friend decided he was gonna buy me a new batt for my birthday so i was like ok ...so he hooked it up and the dumb ass crossed the terminals and then all kinds of smoke came out from the under hood fuse box and now nothing starts or turns on but the horn but therespower to the coil and no power to anything else in the whole car ....i checked fuses and relays they look good ....can someone please help
