What are the amps for a stock alternator?

Tiny
BUD ABT
  • MEMBER
  • 2015 FORD F-150
  • 3.5L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 57,000 MILES
Just what to know the Amps for the stock alternator in my truck listed above. Amp output while running at idle with no A/C, radio etc, on.
Sunday, June 12th, 2022 AT 1:19 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Depending on the factory options, these trucks come with either a 130-amp or 140-amp alternator.

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

See attached for the factory provided alternator rating.

Let me know of any questions.
Thank you.
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Sunday, June 12th, 2022 AT 7:32 PM

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