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Cannot keep it running?

Tiny
JACOB WOFFORD
  • MEMBER
  • 1999 NISSAN FRONTIER
  • 2.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 470,000 MILES
I bought the truck not long ago and I have already put four alternators on it. This last one I noticed the plug was broken. I rewired the plug and but now when I turn on lights or radio or anything it drags it down and will not stay running it acts like it’s a bad alternator, but I’ve had it checked, and every time they tell me the alternator is good. I’ve replaced the alternator fuse it was blown but it still does the same thing.
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Monday, February 20th, 2023 AT 6:50 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

I'm questioning if the alternator is doing its job. It could be that when you place a load on the battery, voltage drops, and the engine doesn't want to stay running.

Here is what I need you to do. We need to check the alternator output. Follow the directions in this link and let me know what you find:

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

Take care,

Joe
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Monday, February 20th, 2023 AT 8:08 PM

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