2001 Isuzu Npr Yes Alt Charging Working Should Else Could Started Other Day

2001 ISUZU NPR
290,000 MILES
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CARLSMILLER
  • MEMBER
  • 2 POSTS
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
Nov 19, 2012 at 10:14 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
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.
Nov 20, 2012 at 3:18 PM
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