Hi,
It is normal for many fuses to have power at all times. Now, I do have a few questions. These are things I would start with and do in this order.
1) Are the battery terminals clean and tight?
https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked
2) Check battery voltage / load test.
https://www.2carpros.com/articles/car-battery-load-test
3) If battery is weak, recharge battery and retest (load test).
https://www.2carpros.com/articles/how-to-charge-your-car-battery
4) If battery fails load test, replace the battery. If it passes, move on.
https://www.2carpros.com/articles/how-to-replace-a-car-battery
5) With battery fully charged, start engine and check alternator voltage output (very easy to do).
https://www.2carpros.com/articles/how-to-check-a-car-alternator) If alternator fails, replace alternator.
https://www.2carpros.com/articles/how-to-replace-an-alternator
7) If it passes, conduct a voltage draw test to see if there is a light or component with a constant draw on the battery.
https://www.2carpros.com/articles/car-battery-dead-overnight
8) If there is no evidence of lights staying on or components, then I need you to disconnect the negative battery terminal. Place a multi meter between the terminal on the battery and the negative cable you removed. With everything off, check what the draw is on the battery and let me know what you find.
Normal voltage draws with everything off (approximately 20 minutes after closing the car doors) is .05 millivolts (MV). Once you get above that amount of draw, it can drain the battery over a shortened period of time. Note that is millivolts and not volts. There are 1000 millivolts in 1 volt.
Here are a few links that you may find helpful when testing:
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
https://www.2carpros.com/articles/how-to-use-a-voltmeter
https://www.2carpros.com/articles/how-to-check-wiring
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Listen, this could simply be a dead battery. If possible, remove the battery, take it to a parts store and have them load test it to make sure it is good. If it is, then start the tests I supplied.
Also, once we determine what appears to be the issue, I will provide you with the directions to complete the repair. Please feel free to ask questions. If you run into trouble, let me know that as well. I'm here to help.
Take care,
Joe
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Monday, April 13th, 2020 AT 6:26 PM