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  #11  
Old 01-11-2009, 01:24 PM
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  #12  
Old 01-12-2009, 06:16 AM
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Was thinking about taking the alternator off to see if there is a fault with that.
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Old 01-12-2009, 12:37 PM
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If somebody went to the trouble of covering the light then there obviously is a problem and it either was going to cost too much to rectify and was not impacting battery charging or it could not easily be found. The charge voltage is just a tad low. There is enough to charge the battery but not enough to drop the light. Most likely a faulty alternator regulator circuit. It should stay at 13.85V most all of the time for a Bosch. There was a way of boosting this published in Roundel some time ago. It involves putting a diode in circuit internally in the alternator which requires pulling and stripping the alternator. The extra 0.5V voltage drop across the diode SC junction fools the regulator resulting in a higher charge voltage across the battery. Somebody may actually have the article to hand or it may be online. Try a web search.
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  #14  
Old 01-12-2009, 12:39 PM
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Try here:

http://www.detomaso.nu/~thomast/alternator/
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  #15  
Old 01-15-2009, 03:40 PM
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Taken the alternator off, and had it checked and the voltage regulator is faulty. So i am having a new fitted. Thanks for all the help
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