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Car alternator is overcharging

Tiny
AUSTINO
  • MEMBER
  • 2003 JAGUAR S-TYPE
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
Good evening, my car alternator is overcharging. Do you know what can cause this to happen?Thank you in advance.
Wednesday, January 8th, 2020 AT 12:52 PM

7 Replies

Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
This is caused by the voltage regulator failing. When they do they either stop charging or over charge. It will need to be replaced.

Step by step below.

Rich
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Wednesday, January 8th, 2020 AT 12:59 PM
Tiny
AUSTINO
  • MEMBER
  • 199 POSTS
Thank you.
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Wednesday, January 8th, 2020 AT 1:15 PM
Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
You are very welcome. Anymore questions or help please come back and ask.

Rich
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Wednesday, January 8th, 2020 AT 3:16 PM
Tiny
AUSTINO
  • MEMBER
  • 199 POSTS
Hello, good morning. Can you please tell me where the voltage regulator is located in the car please? Can you please send a diagram showing where it located? Thank you for a speedy response.
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Tuesday, March 17th, 2020 AT 8:16 AM
Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
The voltage regulator is inside the alternator and is not serviceable. You have to change the whole alternator.

Rich
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Tuesday, March 17th, 2020 AT 10:21 AM
Tiny
AUSTINO
  • MEMBER
  • 199 POSTS
Thank you so much for that response.
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Tuesday, March 17th, 2020 AT 10:35 AM
Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
You are welcome. Let us know if you need anything else.
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Tuesday, March 17th, 2020 AT 10:45 AM

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