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Author Topic: Alternator on vec 2.2  (Read 994 times)

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unlucky mark mv6

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Alternator on vec 2.2
« on: 16 July 2011, 10:57:30 »

Got a problem on my vec b 2.2 with the alternator,as its putting no charge in the battery.Bought a brand new battery yesterday and stuck it on,and lastnight i was driving along,and all dash lights started to gradually dim,then abs and tc light came on,after that stereo went off,then spanner light came on,but wouldent the battery light come on if was the alternator,or does anyone know what else it could be. :-/
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tango

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Re: Alternator on vec 2.2
« Reply #1 on: 22 July 2011, 05:32:20 »

battery light should come on but i dont think it always does
im sure one of the more experienced members would be able to confirm
if you need an alternator and its the same as an omega v6, wich i dont think it is ive got a couple sitting here
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Martian

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Re: Alternator on vec 2.2
« Reply #2 on: 22 July 2011, 13:06:04 »

Quote
but wouldent the battery light come on if was the alternator,
Not necessarily, the alternator is more than likely putting out enough volts to keep the battery light out but not enough to charge the batery.
You said in your original post that the alternator is putting nothing out to the battery, so changing the battery won't cure that.

I would suspect either a slipping/loose drive belt, lazy regulator, or worn brushes as the cause.

Connect a multimeter across the battery terminals, start the car, take it to at least 2000rpm with the headlights on and you need to see a minimum voltage of 13.8V across the battery terminals in order for the battery to charge and keep all the electrics running.
The absolute maximum voltage should not exceed 14.4V.
« Last Edit: 22 July 2011, 13:08:27 by Martian »
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