some time when I turn the key nothing happens when it in park can turn the 3 or 4 times then it will start. I had this one other time and the dealer replaced some electrice parts on streelwheel could this be nutral switch would like to fix myself if I can . my truck is a 04 3500 with 260000 miles I use this as my work truck so I start it 20 or 30 times a day thanks for any help