disconnect anything that is makin it loose juice. not needed stuff, like radio, sorry bud, and any other items draining your juice on ignition possibly. then id check ignition. hey im laymen!
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parasitic battery drain is when abnormal and continuous discharge of power occurs after having shut off the engine. Usually, this is caused by a short circuit or an electrical device that remains in the "on" position or energized, such as:
A trunk
An under-hood or a glove-compartment light
A switch
A computer module
But a battery power drain can also be the work of a bad alternator diode or even a faulty battery.
Depending on the amount of current being drained, a parasitic draw will suck all the juice from your battery in a few hours or minutes.
Here, you have four tests to help you find the culprit:
The amperage battery drain test
The voltage drop battery drain test
The bad alternator diode test
The car battery hydrometer test
see more at linky:
https://axleaddict.com/auto-repair/car-batterydrain