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Gauges randomly drop to zero, the lights dim and flicker?

Tiny
SJCLEM
  • MEMBER
  • 2001 HONDA CIVIC
  • 2WD
  • AUTOMATIC
  • 221,060 MILES
I've already replaced the battery, alternator, and radiator, but the issue persists.

The car's gauges randomly drop to zero, the lights dim and flicker, and I eventually lose all power. I need someone with experience troubleshooting electrical or other potential issues with older Civics.
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Monday, November 18th, 2024 AT 8:22 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It sounds like the positive battery cable could be bad. Can I ask if the alternator is charging the battery when the engine is running? This guide can help us see:

https://www.2carpros.com/articles/how-to-check-a-car-alternator

If it is not charging let's check the fuse #10 and #4 in the under-dash fuse panel, this guide can help, and I have included the fuse locations as well.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Here are the wiring diagrams for the charging system as well so you can see how it works. Check out the images (below). Please let us know what happens.

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Monday, November 18th, 2024 AT 11:50 AM

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