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Battery drains flat in 4 hours. 

 

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 Post subject: Battery drains flat in 4 hours.
Posted: Sat Sep 24, 2005 5:51 am 
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Hey guys,

My battery in the XR was forever going flat. I thought it was cos i only drove it on weekends, and maybe the battery was on its way out.

So I got a new battery for it. Left it with the mechanic... 4 hours after fitting the new battery, it was flat again. My mechanic charged it up... 4 hours later it was flat..

He did some investigations, and discovered that something on the same cicuit as the hazzard fuse is draining the battery.
Remove the fuse while its parked - battery is fine.

OK, so I have worked out that my quiktrtack is somehow hooked into this cicuit (it doesnt work when the fuse is out)... and I have also worked out, I need this fuse in, to get the battery voltage meter to work. (so I am guessing the alternator isnt charging when this is not in)

So I was driving with the fuse in, and when parked - removed the fuse.

Any idea's on what could be the cause.

I am thinking about pissing off the quiktrak and getting carcom to see if its the alarm thats causing the problem... has anyone else got any suggestions before I waste another $2500 on alarm systems.

 

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1993 ED Fairmont - Cobalt Blue, 5L, 17" CSA's and not much else.
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Posted: Sat Sep 24, 2005 9:20 am 
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Have you measured the voltage at the battery, and alt when its running?
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Posted: Sat Sep 24, 2005 9:25 am 
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disconnect the quicktrack? and see if the battery still goes
flat!
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Posted: Sat Sep 24, 2005 11:52 pm 
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sounds like theres a short to earth on that circuit somewhere?
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Posted: Sun Sep 25, 2005 12:10 am 
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A pretty big short. Even leaving my parkers on all day wasn't enough to flatten the battery.

I'll check my diagram,s see if there's anything else that's supposed to be on that circuit.

 

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Posted: Sun Sep 25, 2005 6:01 am 
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xfnoho wrote:
disconnect the quicktrack? and see if the battery still goes
flat!


The problem with that is, that its hidden in the car (they moved it when I found the location), and if the backup battery on the quicktrack drains, it immobilises the car.

 

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1993 ED XR8 - Poly Green, AFR 185 Alloy heads, Edlebrock Performer RPM Manifold, Crane 2031, T56 6 Speed, 3.9 diff, = 205.7 rwkw.
1993 ED Fairmont - Cobalt Blue, 5L, 17" CSA's and not much else.
1969 Mustang Fastback - Gunmetal Grey, 302, Auto, LHD. Doesn't go very hard, but looks sexy as !

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Posted: Sun Sep 25, 2005 6:04 am 
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data_mine wrote:
A pretty big short. Even leaving my parkers on all day wasn't enough to flatten the battery.

I'll check my diagram,s see if there's anything else that's supposed to be on that circuit.


ta.

I left my interior light on once, and it was almost flat 2 days later (was turning over, but not enough to start)

Maybe I should take it back to sydney where I know and trust people to look into it.
Probably will get ripped off if I go anywhere here to get it looked at.

 

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1993 ED XR8 - Poly Green, AFR 185 Alloy heads, Edlebrock Performer RPM Manifold, Crane 2031, T56 6 Speed, 3.9 diff, = 205.7 rwkw.
1993 ED Fairmont - Cobalt Blue, 5L, 17" CSA's and not much else.
1969 Mustang Fastback - Gunmetal Grey, 302, Auto, LHD. Doesn't go very hard, but looks sexy as !

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Posted: Sun Sep 25, 2005 12:42 pm 
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This has been happening for some time? I suggest disconecting things one at a time..I'd start with q/transe first..
Another way is to run ammeter over each circuit and check load..There MUST be quite a bit of load and easily checked..Did this start when thermo fans/ relays were fitted? Thats another area I'd check.I had issues with 5 pin relay once not quite wired correctly...
There MAY have to be a diode fitted in system? Like power could be back feeding into air con magnetic clutch and flattening your battery?? Simple to correct but pita to find!!!
Good luck Kelli....

 

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Posted: Mon Sep 26, 2005 5:42 am 
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This has been happening for maybe 3 or 4 months. Thermo fans were fitted over 2 years ago.

The only thing I have done to the car in that time is..

New Diff
New Clutch
Exhaust manifold gasket
New Siren for alarm

It was happening before the siren in the alarm was replaced though.

 

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www.XR8Chic.com
1993 ED XR8 - Poly Green, AFR 185 Alloy heads, Edlebrock Performer RPM Manifold, Crane 2031, T56 6 Speed, 3.9 diff, = 205.7 rwkw.
1993 ED Fairmont - Cobalt Blue, 5L, 17" CSA's and not much else.
1969 Mustang Fastback - Gunmetal Grey, 302, Auto, LHD. Doesn't go very hard, but looks sexy as !

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Posted: Tue Sep 27, 2005 11:48 am 
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With key off ..Check fuses and run multymeter across them.Or while putting fuse back in check how much load [spark] there is? Should almost be non...Check solonoid on starter motor and cable to it , it maybe rubbing on something? Disconnect alarm, etc over night, slowly diagnose...

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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Posted: Tue Sep 27, 2005 9:45 pm 
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mine was doin that, and then i noticed that the plastic insulation around the 2 wires coming off the alternator was all cracked and the wires were actually touching, creating a dead short....
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Posted: Thu Sep 29, 2005 6:27 am 
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EBXR8380... Umm... I dont speak that language.

Veeate... I will have a look for that whenI get home.

 

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www.XR8Chic.com
1993 ED XR8 - Poly Green, AFR 185 Alloy heads, Edlebrock Performer RPM Manifold, Crane 2031, T56 6 Speed, 3.9 diff, = 205.7 rwkw.
1993 ED Fairmont - Cobalt Blue, 5L, 17" CSA's and not much else.
1969 Mustang Fastback - Gunmetal Grey, 302, Auto, LHD. Doesn't go very hard, but looks sexy as !

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Posted: Thu Sep 29, 2005 5:28 pm 
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veeate wrote:
mine was doin that, and then i noticed that the plastic insulation around the 2 wires coming off the alternator was all cracked and the wires were actually touching, creating a dead short....


Yes that can do it also...Maybe done up too tight and broken insulation?
What I was saying with fuses ..With everything turned off check load on fuses by pulling them if there is geat ampount of spark putting them back..Thats the circuit thats faulty..I would say its a high load wire or it would have burnt out! like alternator or starter motor...
While checking these main wires ??? It may pay to disconnect battery or you could end up with bad flash and fire...Be carefull...

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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Posted: Thu Sep 29, 2005 5:48 pm 
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I reckon that if you spent $2500 on an alarm system. Take it back the the ppl that installed it. Tell them its wrong and to fix it.

for that much money, no one wants to be inconvinienced that much.

 

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Posted: Thu Sep 29, 2005 5:59 pm 
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Smackdown wrote:
I reckon that if you spent $2500 on an alarm system. Take it back the the ppl that installed it. Tell them its wrong and to fix it.

for that much money, no one wants to be inconvinienced that much.


Ummm it would be along drive now though!!!
Must try and diagnose first...
Has your ppd been disconnected???

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

Last edited by EBXR8380 on Sat Oct 15, 2005 1:59 am, edited 1 time in total.

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