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Just got a Service charging system notification

Tiny
BIGAVES14
  • MEMBER
  • 2006 CHEVROLET SILVERADO
  • 4.8L
  • V8
  • 2WD
  • AUTOMATIC
  • 126,000 MILES
Just got a Service charging system notification and my voltage gauge is bouncing between about 13 to 15 volts. Has anyone had a similar issue or know what the problem could be? Faulty wiring, alternator, battery? Any ideas?
Wednesday, February 27th, 2019 AT 7:12 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be a problem with your voltage regulator. I have included some information for your vehicle specifically about the generator in the diagrams below, but first can please go the link down below.

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

You can always take your alternator/generator to your local parts house and they will bench test it for free as well. Let us know what you find out.

Thanks,
Alex
2CarPros
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Thursday, February 28th, 2019 AT 1:09 AM

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