ford f 150 will not start after it warms up have to let it cool down then it will start fine .will not turn over when hot, all lights come on just will not start or turn over when hot..... I have changed my starter , the wires going to starter both postive and negitive and the silinoid . Battery tests good and i am going broke at this guessing game.any help would be great v 6 ...4.2 litre year 2000