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Author Topic: Battery Problem..........again!  (Read 3573 times)

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Wayne

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Battery Problem..........again!
« on: 22 March 2010, 22:10:00 »

Guys

it was meant to be the start of my new job this evening at 9pm till 1am, got meself a little driving job to tie in with my bands gigs at weekend, chuffed to bits.....bought £104 road tax tonight online, all set to go!
but went out to start my car and had to use the booster pack again because its been sat there for 2 weeks and  hasnt been used, drove to Tescos, put £20 petrol in, went to start car and NOTHING, got booster pack out the boot again, tried to start it with that, and this time NOTHING!
not a good start to my new job, had to phone up and say wouldnt be in on me 1st night >:(
luckily the manager was cool and said see you tomorrow! Phew!!!!!!!
called Recovery out, came in 20 minutes.. result!
used his proper booster thingy and she started, he told me rev engine to 3000 revs, put all electric stuff on, heater etc etc etc,  voltage stayed at 12 volts and wasnt going up as i revved engine for 3 minutes,  told me alternator was knackered and that he didnt think i had a power drain as i thought, he just reckons alternators not putting charge back in battery and when i use it and leave it for a week or two, of course its not gonna start.......
i have tested fuses with voltmeter, but cant find the power drain anywhere, still dont know if its the powersounder as havent disconnected it yet....
some mechanics are saying its NOT my alternator, and recovery guy said YES it is, this bleeding car will be the death of me

aaaarrrrrgghhhhhhhhhhhhhh
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Marks DTM Calib

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Re: Battery Problem..........again!
« Reply #1 on: 22 March 2010, 22:14:24 »

A rather floored test that....if the battery is mega flat and all the load is applied...the alternator is never gonna be able to deliver enough power to seriously raise the voltage on the battery terminals
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Wayne

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Re: Battery Problem..........again!
« Reply #2 on: 22 March 2010, 22:17:19 »

i did think that mate, battery is on charge now for 24 hours, im really thinking "powersounder" as when i went to start it at Tescos, it was flat as a bleeding pancake, its getting on my wick now, cant leave it more than 3 or 4 days as it wont start, tested fuses with voltmeter, cant find drain anywhere etc, all normal mate....
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Marks DTM Calib

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Re: Battery Problem..........again!
« Reply #3 on: 22 March 2010, 22:18:24 »

Quote
i did think that mate, battery is on charge now for 24 hours, im really thinking "powersounder" as when i went to start it at Tescos, it was flat as a bleeding pancake, its getting on my wick now, cant leave it more than 3 or 4 days as it wont start, tested fuses with voltmeter, cant find drain anywhere etc, all normal mate....

How far do you drive from home to tescos?
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Andy B

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Re: Battery Problem..........again!
« Reply #4 on: 22 March 2010, 22:19:24 »

Quote
.....
some mechanics are saying its NOT my alternator, and recovery guy said YES it is, this bleeding car will be the death of me

aaaarrrrrgghhhhhhhhhhhhhh

Put your battery on charge over night & take the car to a proper auto spark to get a discharge test done on your battery. Allowing a battery to become totally flat doesn't do them, any favours at all.  ;)
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Wayne

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Re: Battery Problem..........again!
« Reply #5 on: 22 March 2010, 22:20:11 »

3 miles to Sainsburys, not Tescos sorry! lol -  and YES i know its pathetic, but hardly ever use my car until i really needed it tonight to get from Cowley in Oxford to Milton Park in Didcot, which is 14 miles approx
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Entwood

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Re: Battery Problem..........again!
« Reply #6 on: 22 March 2010, 22:21:00 »

Borrow a "known good" battery and THEN do the alternator voltage/load test.  At the moment you are working off 2 unknowns .. eliminate one of them.

:)
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Andy B

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Re: Battery Problem..........again!
« Reply #7 on: 22 March 2010, 22:21:55 »

Quote
..... tested fuses with voltmeter, cant find drain anywhere etc, all normal mate....

Just how are you using your multi-meter on your fuses to check for a current drain? You need your meter on current in line with a battery connection, see what current is being drawn - be careful you don't pop your meter  ::)
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Marks DTM Calib

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Re: Battery Problem..........again!
« Reply #8 on: 22 March 2010, 22:22:05 »

Quote
3 miles to Sainsburys, not Tescos sorry! lol -  and YES i know its pathetic, but hardly ever use my car until i really needed it tonight to get from Cowley in Oxford to Milton Park in Didcot, which is 14 miles approx

Thing is, 3 miles is not really far enough to charge a mega flat battery
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Wayne

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Re: Battery Problem..........again!
« Reply #9 on: 22 March 2010, 22:23:08 »

when i was using my car everyday (a few weeks ago)
i took it to National Tyres and they were going to give me a new battery under warranty, the guy tested it and said theres NOTHING wrong with it whatsover, so tough basically... not sure what test he did on it exactly...probably the same as every other bugger
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Andy B

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Re: Battery Problem..........again!
« Reply #10 on: 22 March 2010, 22:23:20 »

Quote
Quote
3 miles to Sainsburys, not Tescos sorry! lol -  and YES i know its pathetic, but hardly ever use my car until i really needed it tonight to get from Cowley in Oxford to Milton Park in Didcot, which is 14 miles approx

Thing is, 3 miles is not really far enough to charge a mega flat battery

that's putting it mildly!  ;)
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Wayne

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Re: Battery Problem..........again!
« Reply #11 on: 22 March 2010, 22:24:36 »

yeah i know Mark, i realised that, but thought with my booster pack, it would have got me started again and gotten me to my 1st nights work, then when i was to come home, could have boosted it again to get me home, then put it on charge for 24 hours, i just wanna find out WHATS draining it now
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Marks DTM Calib

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Re: Battery Problem..........again!
« Reply #12 on: 22 March 2010, 22:25:41 »

Quote
yeah i know Mark, i realised that, but thought with my booster pack, it would have got me started again and gotten me to my 1st nights work, then when i was to come home, could have boosted it again to get me home, then put it on charge for 24 hours, i just wanna find out WHATS draining it now

well, disconnecting the power sounder is a sensible first approach
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Wayne

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Re: Battery Problem..........again!
« Reply #13 on: 22 March 2010, 22:29:24 »

okay, will do that at weekend - i am reading through the maintenance guide now, is it really easy, looks a bit bleedin daunting for a thicko like me! anyone done theres on here?
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manny

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Re: Battery Problem..........again!
« Reply #14 on: 22 March 2010, 22:33:06 »

Tell me to shut up but i agree with call out guy. With all lights off and revving engine at 3000 rpm you should get about 13.5 to 14 volts at terminals.
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