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new alternator only putting 12 volts into battery?


 
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m9g
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Joined: 16 Aug 2009
Posts: 77
Location: Somerset

PostPosted: Tue Jun 26, 2018 19:54    Post subject: new alternator only putting 12 volts into battery? Reply with quote

Please please before i go out there for hours with a multi-meter someone tell me theres a known fault with an easy fix

Brand new alternator, previous owner says the battery is relatively new aswell, voltage rises from just over 10 to 12 volts when engine revved but it should be around the 13.5-14volts
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1994 white Bighorn 3.1TD (4JX1) Irmscher edition
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JungleC
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Joined: 15 Jun 2016
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Location: Lcokerbie

PostPosted: Wed Jun 27, 2018 10:41    Post subject: Reply with quote

The inbuilt volt meters are not very accurate, check with multimeter first. If still only 12v check the belt is tight.
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m9g
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Joined: 16 Aug 2009
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Location: Somerset

PostPosted: Wed Jun 27, 2018 13:56    Post subject: Reply with quote

JungleC wrote:
The inbuilt volt meters are not very accurate, check with multimeter first. If still only 12v check the belt is tight.


Thanks, yeah i noticed the voltmeter isnt very accurate, those figures i put in post are with a multimeter, i will check belt but im 99% sure i did tighten it right up but yeah thanks anyway for taking the time to reply, appreciate that Smile
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JungleC
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PostPosted: Thu Jun 28, 2018 10:58    Post subject: Reply with quote

Possibly previous alternator has damaged the battery, if possible check with another battery.
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m9g
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Joined: 16 Aug 2009
Posts: 77
Location: Somerset

PostPosted: Thu Jun 28, 2018 22:08    Post subject: Reply with quote

JungleC wrote:
Possibly previous alternator has damaged the battery, if possible check with another battery.


checked for a drain with multimeter, all good, found the charging relay in the fusebox in engine bay, when i touched it the charge went upto 13.4volts, took it out but looks ok but have ordered new one incase contacts are going a bit dry inside. Hopefully i've sorted it Smile

Thanks for your help
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