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yobbie



Member Since: 15 Nov 2010
Location: Isle of Wight
Posts: 712
United Kingdom 1999 Defender 90 Td5 Heritage LE Bronze Green
Alternator/battery light on
As the title, started the LR tonight and the battery light is on! Have checked the fuses on the bulkhead but not the ones under the seat (don't know if there are any there to affect it?) I've put a meter on the battery and its not reading more than 12v Big Cry Might try giving it a wash in the morning as I have been over Salisbury plain but that was about a month ago any other obvious checks before I replace the alternator?
Post #227973 16th Apr 2013 9:32pm
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bpman



Member Since: 21 May 2008
Location: Oslo
Posts: 8069
2008 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
Re: Alternator/battery light on
yobbie wrote:
As the title, started the LR tonight and the battery light is on! Have checked the fuses on the bulkhead but not the ones under the seat (don't know if there are any there to affect it?) I've put a meter on the battery and its not reading more than 12v Big Cry Might try giving it a wash in the morning as I have been over Salisbury plain but that was about a month ago any other obvious checks before I replace the alternator?


deja vu Yobbie, same happened to me just after Christmas, you should get 14+ volts on the meter, but good news is that you should be able to get just the rectifier and brushes unit, costs about £15 and takes 5 mins to fit.

(that was on my 300, so I hope it's similar)
Post #228017 17th Apr 2013 6:34am
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big steve



Member Since: 24 Dec 2009
Location: hertfordshire
Posts: 2456
United Kingdom 2015 Defender 90 Puma 2.2 HT Montalcino Red
diode pack on the back of alternator i must have had my alternator refirbed on my old td5 4 times it never lasted in the mud specially clayey mud

not the nicest of jobd to change either Thumbs Up

steve 2015 2.2 tdci hardtop xs
3.2 conversion DONE 238bhp and 707nm torque and thats just the start ;-P
hybrid turbo in build -done ready to fit
ashcroft atb in transfer box
6 speed auto in build
Post #228029 17th Apr 2013 7:19am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8027
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
i would start with a strip and clean and see how you go with that.

how old is it? mileage? worn brushes?

should see 14.2v at batt when running > 1400rpm Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #228111 17th Apr 2013 11:44am
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yobbie



Member Since: 15 Nov 2010
Location: Isle of Wight
Posts: 712
United Kingdom 1999 Defender 90 Td5 Heritage LE Bronze Green
Thanks, lucky for me it's still under warranty so it's a replacement this time but I think I'll get some spare parts to carry when I go to Europe just in case. Thumbs Up
Post #228196 17th Apr 2013 4:12pm
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