Let us start with basics. You need to check the battery voltage to see if there is enough current available for operation.
I attached some guides for you for this. You will need a voltmeter to do the testing.
https://www.2carpros.com/articles/car-battery-load-test
https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked
https://www.2carpros.com/articles/how-to-check-a-car-alternator
https://www.2carpros.com/articles/how-to-use-a-voltmeter
Roy
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Thursday, December 31st, 2020 AT 8:39 AM
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