Joined: 25 Sep 2011 Posts: 18 Location: Adelaide, SA
Posted: Sun Sep 25, 2011 8:08 pm Post subject: Battery being drained
Hey I don't know if anyone else has had the same problem but even overnight after battery being fully charged it's dead the next morning. Iv tried to eliminate the problem but coming up empty handed. Running out of ideas. I have had replaced with new battery twice over the last few months.
Joined: 19 Oct 2007 Posts: 3855 Location: townsville,qld
Posted: Sun Sep 25, 2011 8:16 pm Post subject: Re: Battery being drained
Stretch wrote:
Hey I don't know if anyone else has had the same problem but even overnight after battery being fully charged it's dead the next morning. Iv tried to eliminate the problem but coming up empty handed. Running out of ideas. I have had replaced with new battery twice over the last few months.
you need a multimeter and remove the negative terminal and put the multimeter on amps dc and put either probe on the negative teminal and and the other on the battery negative post and check for amps,it shouldnt be anymore then 0.05amps for efi cars and non efi cars 0.02amps
efi cars for bateery back up for the computer to keep clock settings and other things
Joined: 22 Apr 2007 Posts: 4010 Location: Perth, WA
Posted: Mon Sep 26, 2011 12:56 am Post subject:
Also depends on stereo gear / alarm system etc.. mine pulls ~ 0.07 Amps which is pretty high but within OK range. Only if you're pulling more than like 0.50 there is definitely something wrong. _________________
1994 Black JZS147 Aristo - RIP. Went swimming
New 1992 Aristo Project
Joined: 22 Nov 2009 Posts: 2008 Location: BRISBANE, QLD
Posted: Mon Sep 26, 2011 9:09 am Post subject:
So how much would say the boot light draw if the switch carked it and it was stuck on all the time? Would something small like that be really noticable when doing this check?
Joined: 22 Apr 2007 Posts: 4010 Location: Perth, WA
Posted: Mon Sep 26, 2011 2:54 pm Post subject:
If it's a normal bulb, not an LED, it will probably be noticeable yes.. but without a baseline of what to expect from your alarm system/etc it's very hard to know.. _________________
1994 Black JZS147 Aristo - RIP. Went swimming
New 1992 Aristo Project
Joined: 25 Sep 2011 Posts: 18 Location: Adelaide, SA
Posted: Mon Sep 26, 2011 4:07 pm Post subject:
Measuring .96 or around about. So clearly something Wrong which I didn't really need a multimeter to tell me that. Stereo amp is linked straight to positive terminal on battery. (not something I did) will disconnecting it change power usage? Sorry chick here that inherited this car and as much as I know aspects of imports working on them is out of my comfort zone. Any help will be appreciated
Joined: 10 Apr 2011 Posts: 161 Location: Brisbane, Australia
Posted: Mon Sep 26, 2011 7:49 pm Post subject:
Do you have the stock radio/cassette still? I know my car has done the same thing twice since I have owned it, I found that even after turning the key off and taking it out of the ignition I have to push the power/volume knob in on the radio to turn the radio off completely. Otherwise the car will be hard to start in the morning.
A new battery would probably help my situation but that is what I have noticed, may help give it a try.
bro's 33 was doing this. turns out his alarm was screwing up. best bet is to either keep checking or just to take it to an auto electrician and get them to check it. most times it the new things added on to a car that ends up being the problem like the sound system/alarm/lighting. _________________
Joined: 25 Sep 2011 Posts: 18 Location: Adelaide, SA
Posted: Tue Sep 27, 2011 7:38 am Post subject:
Nothing is standard. Owner before me installed touch screen cd system with gps,cd,radio etc etc. Alarm system was done as well and a gps tracker installed after 34 was stolen. Gps tracker was done by electrician. Even with cd system completely shut down it's drawing power. Battery positive line lead into the car has a kill switch even after taking that out I'm still unable to start it the next morning. Iv gone through three batteries within a year.
Joined: 06 Jun 2010 Posts: 640 Location: South Melbourne
Posted: Tue Sep 27, 2011 9:21 am Post subject:
What is the part number of the battery? If it isn't a NS70L, give it a go next time. I know your draw is high, but if you are using a shit battery, could stress it more.
Joined: 25 Sep 2011 Posts: 18 Location: Adelaide, SA
Posted: Tue Sep 27, 2011 1:08 pm Post subject:
Dont know battery off by hand. Will look into higher quality. Tracker barely uses anything it doesn't alter the amps when I disconnect it. Alarm system yeah could be. Only one way to find out. Two days off this weekend so hopefully finding the problem. Could an air horn draw too much power?
Joined: 22 Apr 2007 Posts: 4010 Location: Perth, WA
Posted: Wed Sep 28, 2011 5:00 am Post subject:
Air horn? Nah doubt it.. only if it has an internal short
The only thing to do is setup how you were when you measured the 0.96Amp, then start disconnecting things.
Or start pulling fuses if you can't figure out how to disconnect things. Eventually you will narrow down what it is.
I would start with stereo, GPS tracker, etc, air horn too, anything non-standard. Heck even the alarm (but prolli best to turn it off first or it may freakout and start going off in your ears - never pleasant!) _________________
1994 Black JZS147 Aristo - RIP. Went swimming
New 1992 Aristo Project
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