Alternator problem

Tiny
TYTIANNA
  • MEMBER
  • 2008 ACURA TSX
  • 2.4L
  • 4 CYL
  • 4WD
  • 250,000 MILES
What does it mean when my alternator isn't getting power but the battery is sending power to the alternator?
Friday, December 4th, 2020 AT 1:58 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi,

If you have no power at the alternator, it could be a few things. It could be related to a blown fuse, a faulty alternator, or a broken wire.

How was the alternator checked? What wires were checked on the alt for power?

If you look at the attached pic below, it shows a portion of the wiring schematic related to the charging system, Check the fuse I highlighted and let me know what you find. Also, make sure there is power both to the fuse and out from it. Here is a link you may find helpful:

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

Let me know. Also, let me know exactly what is happening. I assume the alternator isn't charging; however, I want to confirm it.

Take care,
Joe

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Friday, December 4th, 2020 AT 8:09 PM

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