"Just shut off again and wouldn't start" does this mean it would not crank over (starter)? or it will turn over but not start (engine running). If the engine would not crank over, I would suspect the battery having an internal short, which is common. Here is a guide to help load test the battery:
https://www.2carpros.com/articles/car-battery-load-test
If it fails, this guide can help walk you through the replacement:
https://www.2carpros.com/articles/how-to-replace-a-car-battery
Please wear safety goggles and gloves. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Monday, September 11th, 2023 AT 5:21 PM