The humming is the ICV. Leave it jumped and go to the back of the car. If you hear something there too, it's the pump.
If it's making a clicking sound when you're trying to start it, the battery is too weak to turn it over.
The speed and reference sensor connectors like to break - try slightly bending the male connections for them to make sure they're making good contact with the female ends.
Throw a charged battery in there and see what happens. If that's it, go to Autozone (or whatever is local) and have them charge yours; the alternator just keeps a battery charged, it won't recharge a low one.
If it's making a clicking sound when you're trying to start it, the battery is too weak to turn it over.
The speed and reference sensor connectors like to break - try slightly bending the male connections for them to make sure they're making good contact with the female ends.
Throw a charged battery in there and see what happens. If that's it, go to Autozone (or whatever is local) and have them charge yours; the alternator just keeps a battery charged, it won't recharge a low one.
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