i have a 1993 chevy s10 blazer 4 whl drv automatic 4.3 v6 and the other day i was driving and lost all power to my car. after i got the car home i replaced the battery and the alternator but still no power i also changed the power fuse but still no power at all. car will not take jump either. can anyone help with solution. i don't have any idea what it could be and no one to ask.