Can my car kill a battery in 2 weeks?

Once you confirm whether or not there is a parasitic drain, and once you’ve confirmed there are no accessories being left on causing the drain (i.e. glove box light, trunk light) your next step is to remove fuses one at a time to see if the drain is eliminated.

If removing fuses does not eliminate the drain you move on the engine bay connectors.

Eventually you’ll find that removing a fuse or connector eliminates the drain and then you turn to your trusted factory service manual wiring diagram to trace the circuits.