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Check battery light is on

Tiny
ASIKES73
  • MEMBER
  • 2005 TOYOTA COROLLA
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 260,000 MILES
Charging system light is on. I've replaced the battery and alternator which took care of the problem for a day but now It's dimly lit. I'm looking for an electrical diagram to trace what could be causing this issue.
Thursday, December 16th, 2021 AT 8:57 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It does sound like it could be a wiring issue.

Have you tested the alternator to see what the output to the battery is?
It is possible to have a fault with the warning light itself.

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

I have attached the wiring schematics for the charging system for your vehicle.

Please let me know if you have any questions.
Thank you.
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Thursday, December 16th, 2021 AT 9:32 PM

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