[rhandwor]

The one fuse use a 12v test light and check both sides touch the metal.
The coil fuse should't be hot unless the ignition switch is on. Try some penetrating oil on the corrision. Check the ground wires for corrision clean and coat with penetrating oil. Get pb blaster penetrating lubricant. Spray the corroded bolts and let set over night so you can check the bottom. The ignition switch is on the column about 12 to 18 inchs from the key. Wiggle the key it might be going bad. A rod which the key turns moves the switch. Check voltage at the switch.