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1994.5 - 1997 7.3L Power Stroke Diesel  

Batter(ies) or something else

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Old Dec 13, 2012 | 10:54 AM
  #1  
Gotanoldtruck's Avatar
Gotanoldtruck
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Batter(ies) or something else

1997, 246,000 miles fires up great with block heater on but have been noticing the battery meter is at about 10 at starting, and then stays at about 13 when running. After shutting down right back to 10. I have one of those stock gauges that ranges from 8 to 18. Now replacing batteries is simple enough but was wondering if there is some other problem I should check. Thanks in advance for your thoughts including what battery brand you would recommend.
 
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Old Dec 13, 2012 | 11:03 AM
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madpogue
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Voltage will read low after startup until the glow plugs shut off, which takes up to two minutes. What is the gauge reading after that?

Have you measured voltage with an actual voltmeter?
 
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Old Dec 13, 2012 | 11:06 AM
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Gotanoldtruck
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When I get in the truck gauge reads 10, goes to about 9 when the glow plugs are on and after they shut off gauge goes to 13 or even 14 and stays there while running. When I shut it off and check the gauge at 10. Have not measured with a vm but can.
 
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Old Dec 13, 2012 | 05:51 PM
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Red97350
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Check it with a meter and let us know what you have. Do you know how old your batteries are?

Red
 
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Old Dec 13, 2012 | 08:08 PM
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yoslick
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How old are the battery cables? especially the cross the front positive cable, there known to rot from the inside out..
 
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