Charging System?

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  #1  
Old 01-27-04, 01:21 PM
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Charging System?

Hi,

I have a 1988 Camaro, 305 TBI, Vin E. 100A alternator

My alternator went south last week...after only a year and a half. I decided to change the battery at the same time. Here's what I have now:

12V at the battery w/car off
14.3V at the battery w/car on (initial startup)
13.6V after driving for about 1/2 hr - Steady decline until 13.6 levels out
13.1V with A/C on and driving

My question is: Does it sound like something is sapping my alternator and thereby causing an early failure? If so, what would be the most likely source of the problem?

Thanks!

Maitai
 
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  #2  
Old 01-27-04, 02:34 PM
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no problem

From what I see it looks good charging is normal.It does 14.3 to recharge then once charged evens out.Looks good to me.
 
  #3  
Old 01-27-04, 03:15 PM
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I agree with Michael the voltages look fine.Are you installing A/C Delco remanufactured alternators or something else?
 
  #4  
Old 01-27-04, 06:17 PM
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yes, AC Delco.......any theory on why the old alternator crapped out after a year and a half?

Thank you for your time in replying to my post!!

Maitai
 
  #5  
Old 01-27-04, 06:31 PM
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Are you using your car to help start other cars with dead batteries?If not maybe you just got a bad alternator.That is very rare for A/C Delco remans that I've seen.I think you should be fine now.
 
  #6  
Old 01-27-04, 07:04 PM
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Those alternators are very sensitive. They made be rated at 100 A but if you charge anywhere near that rate they will crap out. That means no jump starting other cars. If your battery gets very low, use a battery charger and not the car to bring it back.
 
  #7  
Old 01-27-04, 08:48 PM
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Thanks Guys!!
 
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