YES THE ALT

  • Tiny
  • carlsmiller
  • 2001 Isuzu NPR
  • 290,000 miles

Yes, the alt. Is charging and working as it should, what else could it be?
I started it the other day and all of a sudden the lights went out and the jake brake kicked in untill it heated up the kicked out as it should, everything was working great untill I shut it off started it again and the lights, (alt. Brake, brake booster, abs) came back on and won't go out untill I get up to 50-55mph or race the eng. As soon as I let off gas pedal e lights come back on. I hope you can help, I have taken the entire dash and steering coloum apart and still cannot figure it out. Thank-you

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Monday, November 19th, 2012 AT 10:14 PM

1 Reply

  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

Something is wrong with the alternator related components. Check the drive belts and cranl pulley if equipped with harmonic balancer and please replay to your post instead of posting a new thread. We can't chase after questions.

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Tuesday, November 20th, 2012 AT 3:18 PM

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