Battery dying, parasitic draw?

2010 HYUNDAI GENESIS
131,000 MILES • 4.6L • AUTOMATIC
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BHAMDOC1
  • MEMBER
  • 399 POSTS
Which is better, starting with something like the heat gun that shows something active when car is off or using the multimeter to check by pulling fuses one by one? I don't have the heat gun but I can get one. Both battery and alternator are new and it's charging
Sep 19, 2026 at 8:30 AM
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MECHTRIX
  • ✓Experienced Mechanic
  • 549 POSTS
Yep" A Muti meter is all you need .
Sep 19, 2026 at 12:05 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,542 POSTS
If I could add, please go over this guide as well, it has all of the popular reasons for a battery draw.

https://2carpros.com/articles/car-battery-dead-overnight/

Please let us know

Sep 19, 2026 at 12:12 PM
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