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Battery light comes while driving

The battery light comes on and goes off again ramdernly when im driving ive had a new battery and fan belt and hade the alternater checked and that is fine

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My first question is how was the alternator checked? some ford alts are notorious for "bleeding" A/C voltage, this means there may be a bad rectifier inside the alt. just because the alt may put out more than one or two volts over battery voltage isn't a thorough test. otherwise check all connections in the charging circuit. more info... year make model engine size?

Posted on Apr 01, 2014

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Someone is missing something. Suggest alternator may be putting out voltage but not amperage or vice versa.

Posted on Apr 01, 2014

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Posted on Jan 02, 2017

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SOURCE: 2003 ford ranger battery light comes on

i think it is the alternator because the idiot light is connected to your regulator of your alternator. it is an indication that your alternator is not charging anymore.

tnx 4 using fixya,

drcool

Posted on Nov 08, 2008

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SOURCE: 94 Camry Wide body Battery light comes on on

I would have to say the alternator or voltage regulator is faulty, tho im not sure if the voltage regulator is located on the alternator or somewhere in the engine compartment on this model. Hope this helps.

Posted on Oct 07, 2009

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SOURCE: my 89 nissan maxima is not charging ive put 2

that sounds more like a wiring issue then anything else

Posted on Nov 26, 2009

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