Alternator wiring where does the black cable go

Tiny
JOHN MANCILLAS
  • MEMBER
  • 2014 CHEVROLET SILVERADO
  • 189,000 MILES
The red cable goes on top of alternator, where does the black cable go?
Saturday, September 21st, 2019 AT 9:53 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,300 POSTS
On the alternator itself, there are no black wires. Black usually indicates a ground, but I can't say that until I know where the opposite end is attached. I attached a picture below which shows the three wires from the alternator. There is a red which has a yellow tracer on it. Here is the alternator wiring diagrams below and a guide to help testing.

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

Check out the diagrams (Below). Please let us know what happens.
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Saturday, September 21st, 2019 AT 10:26 PM

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