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Author Battery STILL dying
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
11th Nov 10 at 19:37   View Garage View User's Profile U2U Member Reply With Quote
C20XE Nova

Car runs sweet as a nut, turn it off, put multimeter across and it drains. Found its the live on the nova loom for all the electrics.

Pulled fuses out 1 by 1, still doing it.

Next suggestions?
corsadonk
Premium Member

Registered: 4th Jul 09
Location: Marlborough, Wiltshire
User status: Offline
11th Nov 10 at 21:06   View Garage View User's Profile U2U Member Reply With Quote
Once a battery has gone flat, they tend to be fucked. Time for a new one.
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
11th Nov 10 at 21:09   View Garage View User's Profile U2U Member Reply With Quote
Well im on my 3rd new battery now. I ain't buying another till the problems sorted
AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
12th Nov 10 at 16:34   View User's Profile U2U Member Reply With Quote
So if you charge it up/have the car running, disconnect the battery, does it still lose charge or not?

If not, id pull the ecu off it too.
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
12th Nov 10 at 17:39   View Garage View User's Profile U2U Member Reply With Quote
Start the car then disconnect the battery? See if it still runs? If it doesn't its the alt?
AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
12th Nov 10 at 17:42   View User's Profile U2U Member Reply With Quote
Sorry, i ment after. So run it, then switch off, disconnect battery, does it drain?

[Edited on 12-11-2010 by AW06]
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
12th Nov 10 at 17:46   View Garage View User's Profile U2U Member Reply With Quote
Ah, no it doesn't. Battery holds charge. It's 100% the red power lead that goes into the Nova loom that powers the lights, dash, fuse box etc. But i've pulled every fuse out 1 by 1 and still nothing.
AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
12th Nov 10 at 18:51   View User's Profile U2U Member Reply With Quote
Strange, IIRC its all fused, Unless something has been fucked about.

Nope, Don't know lol.
corsadonk
Premium Member

Registered: 4th Jul 09
Location: Marlborough, Wiltshire
User status: Offline
12th Nov 10 at 19:45   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Jakey
Well im on my 3rd new battery now. I ain't buying another till the problems sorted



Sod that, a new battery comes with a warrenty.

You've got something wired in wrong, check around all the live wires for something that looks out of place.
Paulo 16v
Member
Registered: 20th Oct 10
Location: HULL
User status: Offline
13th Nov 10 at 11:02   View User's Profile U2U Member Reply With Quote
Pull negative lead off the battery connect an ammeter (one terminal on the battery negative and one on the negative lead) called a current draw test. (this is with the ignition off by the way!) if you get a reading more than 0.3 amps then you need to start disconnecting things till the current drops (ie stereo etc)
sand-eel
Member
Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline
13th Nov 10 at 14:15   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Jakey
Start the car then disconnect the battery? See if it still runs? If it doesn't its the alt?


What? how would the car run with the battery disconnected?
AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
13th Nov 10 at 19:42   View User's Profile U2U Member Reply With Quote
^Cars do run off the alt power.
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
17th Nov 10 at 15:15   View Garage View User's Profile U2U Member Reply With Quote
Anybody else?
alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
17th Nov 10 at 15:18   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by AW06
^Cars do run off the alt power.


Not for long though in my experience

[Edited on 17-11-2010 by alan-g-w]
jibjob
Member
Registered: 6th Apr 08
Location: Elworth, Cheshire
User status: Offline
17th Nov 10 at 22:41   View User's Profile U2U Member Reply With Quote
you in work tomorrow jake? I've got an idea It may work it may not
Adam_B
Member
Registered: 13th Dec 00
Location: Lancashire
User status: Offline
17th Nov 10 at 23:58   View User's Profile U2U Member Reply With Quote
If pulling the fuses out makes no difference it must be something before the fuse box? Have you followed the loom for any shorts?

[Edited on 18-11-2010 by Adam_B]
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
18th Nov 10 at 12:23   View Garage View User's Profile U2U Member Reply With Quote
Not yet no as i was hoping it wouldn't come to that. Looks like ill be stripping it down
Gary
Premium Member

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Registered: 22nd Nov 06
Location: West Yorkshire
User status: Offline
18th Nov 10 at 12:44   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Jakey
Not yet no as i was hoping it wouldn't come to that. Looks like ill be stripping it down


Or just put a switch on the battery Live wire. Just remember to switch it off.

Will solve your problem for now
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
18th Nov 10 at 12:51   View Garage View User's Profile U2U Member Reply With Quote
My mate said that but need some pretty thick wire.
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
18th Nov 10 at 16:47   View Garage View User's Profile U2U Member Reply With Quote
Got the battery on charge now. Gonna have a look at it tomorrow.

Gonna strip the loom down see if any is broken
Check all the engine earths

Anything else while im there?
redtom
Member
Registered: 6th Oct 07
Location: Kent
User status: Offline
18th Nov 10 at 18:18   View User's Profile U2U Member Reply With Quote
Does it still drain if you unplug the ECU?
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
18th Nov 10 at 18:22   View Garage View User's Profile U2U Member Reply With Quote
Not tried that. Will have a go tomorrow.

If it does, what do you reckon?
redtom
Member
Registered: 6th Oct 07
Location: Kent
User status: Offline
18th Nov 10 at 18:24   View User's Profile U2U Member Reply With Quote
My bet will be on the relay sticking and draining it or the ecu itself. Seen it happen twice just from moisture running down the loom and shorting it out.
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
18th Nov 10 at 18:37   View Garage View User's Profile U2U Member Reply With Quote
One of the relays under the fuses?
redtom
Member
Registered: 6th Oct 07
Location: Kent
User status: Offline
18th Nov 10 at 18:41   View User's Profile U2U Member Reply With Quote
Sorry mate meant fuel relay on the xe loom.

Will be big and normally black. not in a sexual way.

 
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