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How do you tell?
Posted by marvinstockman [Email] (more from marvinstockman) on Thu, 8 Sep 2011 15:26:38
In Reply to: Re: Create a load on the battery, MarkCNY, Wed, 7 Sep 2011 18:57:37
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I was thinking you might have a drain on the battery that is causing your problems.
Alternator is really only the VR and the diode pack.
Diodes can be checked by putting your DMM on AC volts. Do a search on what is acceptable AC ripple voltage. I don't know.
A low voltage under load is usually, and especially at your mileage, a bad VR.
Mechanically you can have bad bearing, but you'd hear that.
posted by 71.178.3...
Posts in this Thread:
- Charging Issue....Alternator or Voltage Reg....., MarkCNY, Wed, 7 Sep 2011 18:06:31
- try another Auto Electric Shop.., derf, Sat, 10 Sep 2011 19:28:47
- Re: Charging Issue....Alternator or Voltage Reg....., Simon S, Fri, 9 Sep 2011 12:03:58
- Measuring 12.8 across the battery while running, MarkCNY, Thu, 8 Sep 2011 14:39:41
- 12.5 - 12.9 is too low., jjacob, Thu, 8 Sep 2011 12:47:00
- No-starts, or no-cranks? DID battery run down?, RayF, Thu, 8 Sep 2011 11:04:31
- Re: Charging Issue....Alternator or Voltage Reg....., thresholdmusic, Thu, 8 Sep 2011 06:13:42
- Create a load on the battery, marvinstockman, Wed, 7 Sep 2011 18:30:53
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