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Topic: Battery draining (Read 1000 times) |
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trol
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Battery draining
« on: Oct 19th, 2008, 11:19pm » |
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After not being used for two weeks, my battery is totally empty.
Is this a common thing with Scorpio's?
The car is a 12v, battery is new and the alternator puts out 14 volts.
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2355
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Re: Battery draining
« Reply #1 on: Oct 19th, 2008, 11:41pm » |
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Same thing happened to me last year - been away on holiday for 2 weeks, battery flat.
Remove battery, charge and refit - been fine ever since.
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pete from Hull
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Non Scorpio at the moment, but still interested...
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Re: Battery draining
« Reply #2 on: Oct 20th, 2008, 6:51am » |
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Check Relay R16 in the batteryside fusebox....
Hth
Pete
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trol
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Re: Battery draining
« Reply #3 on: Oct 20th, 2008, 4:32pm » |
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Thanks
I'll check the relay, what does it exactly do?
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pete from Hull
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Non Scorpio at the moment, but still interested...
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Re: Battery draining
« Reply #4 on: Oct 20th, 2008, 9:54pm » |
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If there is something draining power i a short at the cig lighter or the glove compartment ligh being on or the bootlight etc, the car senses this and sends a signal to the relay which disconnects the power therfore avoiding the drain on the battery. If this relay is duff it will need to be changed....
hth
Pete
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trol
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Re: Battery draining
« Reply #5 on: Nov 4th, 2008, 5:07pm » |
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The relay is fine, anything else I can check?
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gozz
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Been around awhile
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Re: Battery draining
« Reply #6 on: Nov 4th, 2008, 7:22pm » |
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trol.
I reckon quick flat batteries only seem to occur when the cars are locked.
GOZZ
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Waglet
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Aubergine 24V
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Re: Battery draining
« Reply #7 on: Nov 5th, 2008, 10:11am » |
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I agree. I left the Scorp (not the current one tho') unlocked for 6 weeks during the winter a couple of years back while in sunnier climates! Started 1st time and no battery issues at all, when you lock it I reckon all the security devises suck yer power! 
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Waglet
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amigafan2003
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Re: Battery draining
« Reply #8 on: Nov 5th, 2008, 3:38pm » |
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Amp draw on a locked car with PATS enable is a shade under 0.3A/H so that's 100 AH in two weeks - quite feasable to drain a battery in two weeks then.
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Snoopy
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Re: Battery draining
« Reply #9 on: Nov 6th, 2008, 12:24pm » |
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BUT the power saver is supposed to switch everything off after 150 hours so to save the battery.. Has the power save function gone AWOL?
If so then the battery would go flat.
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TRACEYS_LIMO
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Re: Battery draining
« Reply #10 on: Nov 7th, 2008, 6:40pm » |
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hi what make is the battery
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trol
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Re: Battery draining
« Reply #11 on: Nov 10th, 2008, 12:17am » |
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It's a Dewa type 7 but I think it has died 
I's been empty two times, last week the locks wouldn't even open anymore.
I charged it, but the looking glass stays black....
As for the power saver, my remote fob stops working after some time 
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gozz
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Re: Battery draining
« Reply #12 on: Nov 10th, 2008, 5:24pm » |
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trol.
Best get a battery with screw tops so that you can check the electrolyte,then you always know where you are.
GOZZ.
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trol
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Re: Battery draining
« Reply #13 on: Jan 24th, 2009, 2:19pm » |
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Well, my battery has survived, I charged it, left it out of the car for 6 weeks and it works fine 
Tha car still drains the battery, locked or unlocked.
Does the power saver also work when I leave the car unlocked?
How many aH should an unlocked car use?
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mijfife
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Re: Battery draining
« Reply #14 on: Jan 24th, 2009, 7:09pm » |
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I had similar issues with the TD, if I pulled the power saver relay out and left the car, it didn't flatten the battery. A change of relay made no difference but the problem went away when I replaced the fusebox when I was trying to get the air con to work and it's been fine since.
Cheers Jim
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pinto
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Re: Battery draining
« Reply #15 on: Jan 25th, 2009, 1:29am » |
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Another common cause of battery drain is failure of the diode pack in the rectifier of the alternator - when it breaks down, it allows current to flow to earth through the alternator, and it has an annoying habit of seeming fine when the car is running.
Put a multimeter in series between the battery and the lead to the alternator - if the pack is working, there will be a miniscule or no current reading.
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PeteB
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2.0 16v Ultima Saloon RIP \ 2.5 TD Ultima Saloon
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Re: Battery draining
« Reply #16 on: Jan 25th, 2009, 11:21am » |
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Pinto just out of interest when you say lead to the alternator which one is that ?
Pete
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pinto
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TD04 on a galaxy manifold ? whooooooosh !
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Re: Battery draining
« Reply #17 on: Jan 25th, 2009, 4:52pm » |
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One of the heavy red cables will go directly to the alternator - its the main charging lead
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