w3rmz
Member
Registered: 21st Aug 07
Location: somerset
User status: Offline
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hi all, i have a 20xe corsa and the battery light on the dash is on! the car will start and drive for a mile or so and then cuts out with a completely flat battery, however if you then leave the car for half or so it starts again fine without charging the battery  ! ive replaced the starter loom and it has a brand new starter and alternator which is charging fine with the engine running! can anyone shed some light on this problem for me, thanks!
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fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
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normally alternator fault mate.
you checked the connections on the alternator and also the starter loom?
they definately earthed properly? to me it sounds like there not
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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Is there a fan belt on it... I'd assume you would know that but that's what the batery light always reminds me of. Mine used to throw belts off like no-one's business.
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AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
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Can you find out the voltage across the battery? When the car is running and when its not. It could be a fucked battery.
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Steveocee
Member
Registered: 19th Jun 08
User status: Offline
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As above, the cells in the battery may have been buggered if it actually got to flat, meaning that no matter how good your charging circuit is the battery wont hold the charge. Try and get yourself down to a halfords as they do free battery health checks.
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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If that was the case the car wouldn't even start in the first place.
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AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
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Wrong. It may hold enough charge to start the car but not enough to keep it running, if you left it idleing with all the electrics running it would stop preety quick.
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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If it was so flat that it stopped the car from running how would it recharge itself from just sitting?
And I'd have thought that it would take more of a current to start it than to keep it ticking over. Sometimes when I wasn't running a fan belt, if the batt was flat and you switched off the engine you'd need to bump start it because there wasn't enough battery to turn the starter. But if you bump started it it ran for another 20-30mins.
Doesn't sound like anyting to do with the battery to me.
[Edited on 17-05-2009 by alan-g-w]
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Markus
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 19th Nov 07
Location: Beverley - East Yorkshire
User status: Offline
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bad earth
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