ive searched and came up with nothing. when i turn the key on everything comes on, radio lights ect. but when i turn the key to run/start the solenoid makes a sound like someone is taping on the fender. I tried to jump the solenoid and only hear a click from the drivers side. ive tired to put the truck in neutral, nothing. ive replaced the starter the solenoid and the battery. still nothing. i even tried to jump start the truck. nothing. help!!! 1990 fsb 5.8.