Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Right, the car is off, and draws 2.4-2.7 amps out of the battery. Thus draining the battery quite quickly.
The charge on the battery is around 13.4 - Ideally should be 14 when running.
Interior Light - Off (Would only be 1amp at the most)
Radio - Off
Boot Light - Off
Main Lights - Off, Turned them on with the car off and it doubled to around 5amps.
Now then, what would a car alarm draw out?
This is really confusing now, can't figure out at all what the drain is.
Any ideas?
Thanks
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barneykarl
Member
Registered: 29th Jul 06
Location: Stevenage
User status: Offline
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I would guess at a duff battery poor plate shorting to earth, try a new battery or borrow one and i bet the drain goes away.
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Put a brand spanking new battery on last night, was dead by this morning.
Changed the car battery terminals from old ones too.
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pow
Premium Member
Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
User status: Offline
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Clean the terminals and check the earths.
larm?
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Terminals are brand new. Ordered them with the battery (as above). Earths are fine too.
Alarm - I can't see it been such a drain tbh? Any idea what it should be? I'm assuming less than half an amp, even that seems high.
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AuroraSport
Member
Registered: 5th Mar 05
Location: Norfolk Drives: Audi B5 S4 Avant
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Might be worth disconnecting things one at a time while measuring, see if the drain goes away?
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
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That's not normal usage. You tried pulling each fuse in turn?
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Not yet, will give it a go in the morning when its light. This is the problem from after Christmas mate, the door didn't sort it! 
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barneykarl
Member
Registered: 29th Jul 06
Location: Stevenage
User status: Offline
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oh right, need a auto sparky to take a look at it I think.
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
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Not before isolating everything, cheap.
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Aye, they'll spent £50 (an hour) doing a diagnoses which can be done with a £5 multimeter. Once I know what It is I can just tell them. (Unless its something I don't need, and will just take fuse out  )
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JaffaTB
Member
Registered: 7th Oct 09
Location: Sheffield, South Yorkshire
User status: Offline
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is the radio still in? mine used to drain the battery even with the fascia removed as the wires where set a certain way (the red and yellow ones) if i didnt drive it every day it would drain and be flat
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Yeah it is, but turns off after engine dies. Will have a fiddle tomorrow with it.
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Jas
Member
Registered: 13th Oct 04
Location: Mid Wales
User status: Offline
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havent got a fucked tracker fitted? somewhere?
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AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
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Alarms are normally blamed for power loss but not normally the cause lol Unless they have been wired up shitly.
As said, pull the fuses, What car is it?
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Spent two hours on it last night, and couldn't find the fault.
Auto Electrician spent two hours on it today, passenger side heated mirror glass. £100 to find that is it a bit of a bitch.
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Dead again 
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JaffaTB
Member
Registered: 7th Oct 09
Location: Sheffield, South Yorkshire
User status: Offline
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and you are £100 down lol 
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Whittie
Member
Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline
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Going to drop it back off there.
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craig_s
Member
Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
User status: Offline
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is there a back up for the alarm?
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Cossie
Member
Registered: 17th May 02
User status: Offline
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Had the same problem and found out it was my radio even with face removed and no key. It will drain the battery in a day. Solution was the remove no 1 fuse in the fuse box when car not used.
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