When you turn the ignition over to start there is no power coming from the switch to start the truck, The battery is fine the starter doesnt even try to turn over

Sounds like the relay in the starting motor circuit has failed, or a starting motor/solenoid problem - have them checked. This can also be caused by a problem in the ignition switch.

Possible bad ignition switch. Check wire going to starter for 12 voltage

This may be due to a bad neutral safety switch, is this car automatic or manual transmission?

If automatic try to start in neutral and if manual try to locate switch on clutch pedal and use a jumper wire to jump connector for switch, NOTE; If switch is jumped car will start in gear with pedal not pushed down and car will take off so this is just as a test not a repair!!!!!, good day

these cars are known for bad ignition switches

The starting system consists of:

• starter motor
• starter switch, part of the ignition switch
• starter motor solenoid relay switch
• starter solenoid
• starter drive

When you turn your key to start your engine, it just clicks, right? If so, more than likely this is due to a bad battery. Even though your battery may appear to be fully charged, it may have a dead cell, or worse. If you get a jump, does the vehicle start? If so, replace your battery.

Possible sources of the problem if the engine does not crank or the relay clicks:

1. Battery
2. Starter motor
3. Starter motor relay
4. Ignition switch
5. Damaged fuse
6. Anti-theft system
7. Circuitry

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

fuse 8 40a supplies power to starter relay and ignition switch, to close the starter solenoid and engage the starter which draws directly from the battery. check to see that the starter relay is closing, if not ensure that the park neutral switch is not faulty (open circuit), it provides path to close relay (ground side) on the 85 - 86 terminals. if the starter relay does not close the starter will not run. if you have a spare relay swap out the relay for a quick fix attempt. hope this helps

Check, clean and tighten your battery posts, and the power connection to the starter and ground. Make certain the battery is good and charged, Perhaps you have a bad starter motor, or the engine is frozen (will not turn over). I think the ignition switch is okay, because your lights dim when you try to start. This indicates power is getting to the starter (at least some).

check battery
check fuses & wiring to starter
check power at starter main (big red wire)
check for power at starter solenoid (small) wire when key turned start position
if all above are good, try whacking starter body with a hammer lightly while trying to start, don't run yourself over if it does!
replace starter if all electrical good

if all electrical fail test/inspection, ei; no power to starter on small wire, yet big wire hot, check for bad ignition switch

check for

Check and make sure you are getting power to the ignition switch and to the stator wire on the starter. Turn the key on and and measure the volts going to the starter on both wires. You should a atleast 12 volts going to the stator wire and to the main wire from the battery. If you are not getting power there it could be a fuseable link in the power wire from the ignition. I noticed that you replaced the ignition switch make sure the rod from the key switch has not come out of the switch.

Sounds like the battery is dead, you have just enough power to have the lights come on, but no cranking of the starter. Try putting the battery on a trickle charger, or hook up jumper cables to another car which is running. Let it run with the jumper cables connected for two mintues before you try and start your car.