Electrical problem numbers on the dash do not show up?

Tiny
JULIANBELIT
  • MEMBER
  • 2005 HONDA CIVIC
  • 1.7L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
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?
Monday, July 28th, 2025 AT 7:36 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,610 POSTS
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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Tuesday, July 29th, 2025 AT 11:33 AM

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