Out of the blue when I went to start the truck I got a big power draw down a clack then nothing, no starter engagement. The clack was probably the A/C clutch, the battery was fully charged. Pulled the starter, it looked so beat I just assumed it needed replacing so replaced it, still nothing, no voltage to the solenoid. So removed and cleaned all battery cables, things got better now when I turn the key on functions on the dash seem to work right but still nothing at the starter. Checked all fuses and fuse links that I can find, all ok. Moved the ground from the bracket to the block. Removed and replaced the ignition switch (not a job for an eighty year old), on internal inspection it had a hot spot in one area so I thought I had it nailed but still nothing, no power to the solenoid. Is there some fuse or fuse link prior to or after the ignition switch that I am missing?