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Do you have a voltmeter or simple 12 V test light to check voltages at specific points? Is there any chance that you may have crossed the terminals or jumped backwards accidentally?
Yes there is a main fusible link wire but that would be unusual to see it blown. What I need you to do is when you are able take the lid off the fuse box under the hood make sure you have a good ground on your voltmeter preferably at the negative battery cable then use your positive probe to check the voltage of the battery. Make sure you have at least 12.2 V. If not put it on the charger, running voltage test with a low state of charge on the battery will send you on a rabbit trail. Once the battery is fully charged and you know you have good connections at both terminals check to see if you're getting voltage at any the fuses in that fuse box. Simply back probe the little indentations on each fuse to see if you have power on both sides to all of those fuses. Let me know the results of this test. It is possible you could just have high corrosion or a loose connection at the battery terminals check that first.
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