LOW VOLTAGE 11

  • Tiny
  • robertlowell
  • 1997 Cadillac STS
  • 89,000 miles

Low voltage 11.3 volts new altenator and battery what now?

Saturday, November 10th, 2012 AT 9:39 PM

3 Answers

  • Tiny
  • caradiodoc
  • Expert
  • 25,308 posts

Does the battery light on the dash turn on? If not, there's a break in that circuit between the instrument cluster and the generator. That's the circuit that tells it to turn on.

If you ever see that light turn on, that circuit is okay. Measure the voltage on the output terminal on the generator while the engine is running. It must be exactly the same as the battery voltage. If it's higher, there's a break in the wire going back to the battery. Look for a blown large fuse bolted in the under-hood fuse box.

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Sunday, November 11th, 2012 AT 3:13 AM
  • Tiny
  • robertlowell
  • Member

3 days no answer are you there?

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Wednesday, November 14th, 2012 AT 12:21 AM
  • Tiny
  • robertlowell
  • Member

I got your answers I really appreciate your time thank you ! I will check it out and get back to you

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Wednesday, November 14th, 2012 AT 12:26 AM

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