van discharges when I am idling

2001 CHEVROLET EXPRESS
170,000 MILES
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MITZTARBUTTON
  • MEMBER
  • 3 POSTS
gauage stays at center mark when I am idling it shows discharging. I have put new starter, alternator, battery and serpentine belt. I need help
Jan 16, 2012 at 9:41 AM
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SATURNTECH9
  • Experienced Mechanic
  • 30,869 POSTS
Do you have a multimeter to do some testing?
Jan 16, 2012 at 9:45 AM
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FIXITMR
  • Experienced Mechanic
  • 9,990 POSTS
stop by auto chain store and have them check actual readings at battery. they do it for free.your gauge may be wrong.
Jan 16, 2012 at 9:51 AM
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MITZTARBUTTON
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  • 3 POSTS
I have checked battery Reads 12.6 alternator reading is 14.3
Jan 16, 2012 at 10:37 AM
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SATURNTECH9
  • Experienced Mechanic
  • 30,869 POSTS
If your gauge reads discharging and its really reading 14.3 volts then the gauge is wrong.
Jan 16, 2012 at 10:58 AM
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FIXITMR
  • Experienced Mechanic
  • 9,990 POSTS
did you test alt on or of vehicle?
Jan 16, 2012 at 4:39 PM
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MITZTARBUTTON
  • MEMBER
  • 3 POSTS
Thanks for all the answers. I believe it is a bad gauge.

Jan 17, 2012 at 4:47 AM
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SATURNTECH9
  • Experienced Mechanic
  • 30,869 POSTS
Your welcome thats what were here for.
Jan 17, 2012 at 10:20 AM
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FIXITMR
  • Experienced Mechanic
  • 9,990 POSTS
you thru me when you said battery was 12.6 since i assumed you got that reading while car was running and checking voltage at battery.
Jan 17, 2012 at 6:21 PM
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