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Circuit diagram for both the charging system and starting?

Tiny
BLESSING EWOBOR
  • MEMBER
  • 2004 LEXUS ES 300
  • V6
  • 2WD
  • AUTOMATIC
  • 232,345 MILES
The vehicle battery indicator light does come on sometimes. I have checked the battery voltage and it is okay and the alternator seems to be fine and sometimes the vehicle will not crank. Please could I get the circuit diagram for both the charging system and starting. Thank you very much. This site has been of help to me. I really appreciate.
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Tuesday, March 21st, 2023 AT 7:37 AM

4 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Sure, here are the wiring diagrams for the starter and alternator system with a guide to help you check the connections.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, March 21st, 2023 AT 10:48 AM
Tiny
BLESSING EWOBOR
  • MEMBER
  • 686 POSTS
Thank you very much.
I will give feedback on this.
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Tuesday, March 21st, 2023 AT 7:23 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Good to hear, please use 2CarPros anytime we are here to help.
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Wednesday, March 22nd, 2023 AT 4:59 PM
Tiny
BLESSING EWOBOR
  • MEMBER
  • 686 POSTS
No problem.
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Friday, March 24th, 2023 AT 6:34 PM

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