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robdarby
Member Since: 18 Jul 2010
Location: Hants
Posts: 15
  
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| Battery light intermittent |
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Hi ....
My battery light comes on and goes off a little randomly.
I checked the voltages -
Engine off - 12.5V'ish
Shortly after start - 14V'ish
It has no trouble starting ... the battery is quite new (about 9months), the alternator seems to be producing around the right voltage ...
Any ideas please??
Thanks
Rob
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 15th Jul 2012 5:00 pm |
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DSL
Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72912
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Not right for a D3, ISTR running output is 15.4V if healthy. Might be borderline hickie.
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| 15th Jul 2012 5:04 pm |
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robdarby
Member Since: 18 Jul 2010
Location: Hants
Posts: 15
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DSL wrote:Not right for a D3, ISTR running output is 15.4V if healthy. Might be borderline hickie.
Alternator dying?
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| 15th Jul 2012 5:11 pm |
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DSL
Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72912
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I'm non techie, best let others chip in their 56p worth, but it was my first thought. Not uncommon.
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| 15th Jul 2012 5:12 pm |
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Flack
Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6272
 
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Sounds like the alternater is on its way out you need to get it checked out
Does it smell like burning plastic when hot
Flack 
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| 15th Jul 2012 5:56 pm |
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robdarby
Member Since: 18 Jul 2010
Location: Hants
Posts: 15
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I am not getting any burning smell yet ... the light has recently started coming on.
Rob
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| 15th Jul 2012 6:33 pm |
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character
Member Since: 01 Jan 2008
Location: wiltshire
Posts: 5781
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vote for alternator - good news is yer slowing killing the battery and when that goes, so does drive, transmission, windows, power steering etc etc, which is not a happy experience when trying to get to the hardsholder on the motorway  
best get into the dealers as soon as
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| 16th Jul 2012 12:29 am |
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Mike767
Member Since: 15 Oct 2008
Location: Congleton, Cheshire.
Posts: 138
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Mine did this a few months ago. Diode pack in the alternator on the way out. Mrs said the car had a burning smell at the same time. Easy enough to replace, but you'll need a viscous fan spanner.
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| 17th Jul 2012 2:21 pm |
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