Electrical problem numbers on the dash do not show up?

2005 HONDA CIVIC
150,000 MILES • 1.7L • 4 CYL • 2WD • AUTOMATIC
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JULIANBELIT
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My car worked perfectly fine like brand new before I replaced an old fuse for my 12v cigarette port and once I replaced it my car had trouble turning on and the numbers on the dash didn’t show up. Google is saying it’s the alternator but how if it just happened when I replaced the 15A fuse?
Jul 28, 2025 at 7:36 PM
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STRAILER
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I don't think it is the alternator unless the battery warning light is on while the engine is running. I would remove the battery and take it to the auto parts store for testing; it sounds like it is bad. Here is a guide and instructions below for your car:

https://www.2carpros.com/articles/how-to-replace-a-car-battery

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Jul 29, 2025 at 11:33 AM