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Cake day: March 17th, 2024

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  • Take both the battery terminals off, if there are crusty white or blue gunk on them you can use a little vinegar to clean it off. Clean the contacting parts of both terminals and where they connect to the battery with a wire brush till the metal looks at least vaguely shiny. Put the terminals back on and tighten them down with a wrench, if its an american car its usually a 1/2" if its an import its almost certainly a 10mm. If it doesn’t work after that try jumping it again, if it still doesn’t work its probably the starter or starter solenoid. You can try tapping on the starter solenoid with a hammer to unstick it as a temporary fix to get you going, but if you have to do that then it needs replaced sooner rather than later anyways.