Q: Q: Battery Drains

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My Battery drains to a point where I can't start it within 3 days. I thought I found the low beam headlamp circuit to have a short but now I am unsure because I can't replicate the amperage drop when I pull that fuse. When the voltage seems to get low my headlights turn on and drain the battery faster.

My car has 175000 miles.
My car has an automatic transmission.

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