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Help With Batt Light

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  #1  
Old 08-05-2008, 04:15 PM
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Default Help With Batt Light

hey guys and gals i have noticed that the last two months that my batt. lite is on constantly nad some times it is dim and others its brite. could this be that i have a bad batt. or is it the altanater? batts. are about a year old when i get time i think im going to take them in and get them tested. thanks
 
  #2  
Old 08-05-2008, 04:34 PM
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what voltages are you getting with the batt.
 
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Old 08-05-2008, 04:35 PM
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How much is the alt. charging while the truck is running? All connections/terminals clean?
 
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Old 08-05-2008, 04:50 PM
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The red batt light comes on when the signal wire on the regulator is grounded. This happens due to either a short in the signal wire to ground or a failing voltage regulator.

Get your alternator checked out.
 
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Old 08-06-2008, 12:04 PM
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Originally Posted by 2500HeavyDuty
what voltages are you getting with the batt.

im getting 14 volts on the guage in the truck thats after the glow plugs cycle

---AutoMerged DoublePost---

Originally Posted by wildbill
How much is the alt. charging while the truck is running? All connections/terminals clean?

the alt semes to be charging fine but i will take it to a shop and have it checked.

---AutoMerged DoublePost---

Originally Posted by Johnny Cetane
The red batt light comes on when the signal wire on the regulator is grounded. This happens due to either a short in the signal wire to ground or a failing voltage regulator.

Get your alternator checked out.
what do you mean signal wire do you mean the turn signal? sorry if that sounds dumb but im not much on electical stuff.
 

Last edited by firecapt870; 08-06-2008 at 12:04 PM. Reason: Automerged Doublepost
  #6  
Old 08-06-2008, 12:20 PM
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The signal wire coming out of the alternator that controls the batt light.
 
  #7  
Old 08-06-2008, 02:45 PM
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thanks for clearing that up man. i will go check that out and let you guys know and you guys are great help
 
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