wont start on 1996 Toyota Avalon

car wont turn over every thing has been replace altnater.,starter, battery, battery cable, wires ,

Asked by for the 1996 Toyota Avalon
Park neutral safety switch perhaps, factory security system problem? Once saw a Toyota towed in for a no start after it had been locked with the key fob and unlocked with just the wouldn't start until it was unlocked with the key fob.
2 more answers
Have the ignition switch tested as power has to go through the ignition switch
try ignition switch lock cylinder, a b*tch to get off tho