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My car has no power at all, but the battery is good. Why?

My car has no power, but the battery is good. I know because the battery is brand new and I tested it and it has the amount of power that it should. Why would that be?

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Melanie Mergen · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
If your car has no power at all but the battery is good, there could be many reasons why. Here are just a few possible culprits:
  • Blown fuse
  • Loose battery terminal
  • Faulty wiring
  • Faulty alternator
  • Faulty voltage
  • Faulty ignition switch
  • Corroded wiring
To find out why your car has no power at all despite a good battery, you can consult a mechanic. They’ll know what to troubleshoot for you so you can get to the root of the problem and figure out how you can fix it.
As you’re looking after your car, it also might be worth looking at your
car insurance
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Jerry partners with more than 50 insurance companies, but our content is independently researched, written, and fact-checked by our team of editors and agents. We aren’t paid for reviews or other content.

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