Question about Nissan Altima
Sometimes it will go off randomly.... Everything else seems to be in off position i.e stereo, locks, seat controls.. but brand new battery drains overnight and alternator is working.
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Posted on Jan 02, 2017
SOURCE: Car Battery draining over night
Something is shorted and it could be very difficult to find sometimes. It could be something as simple as a button being pressed when it shouldn't turning on a light or feature that runs all the time, but in a 2001 that is unlikely as it should turn off all lights after a certain period of time. It could be something in the radio. What I suggest is to pull one fuse at a time for accessories, check your manual for what each fuse powers. If the battery still drains with that fuse out then put it back in a pull another. When you find the fuse that allows your battery to keep it's charge then you will have a much smaller field of offending components.
For example, if you pull the fuse that powers the radio and heater, and the battery keeps it's charge then you know it is either the heater or radio causing your problem.
This can take a few weeks to do completly but won't cost you a penny to do.
Posted on Jun 09, 2008
First of all, one of the easiest & cheapest ways to find a draw in the system, if you don't have a clamp on style amp-meter, is with a 12volt test light that costs about $5-$10 at parts stores or hardware stores. You remove positive (+) cable from battery, and simply attach test light in between the battery cable & battery + post. Be careful neither end touches metal obviously. Anytime the test light is lit, you have a draw. If light is nice & bright, it's a fairly good draw, when dim, slight draw. When light goes out, no draw. Now start pulling and re-installing fuses. If you pull a fuse and bright light goes out, you've isolated the circuit.. I usually make sure I have notes or whatever is needed to insure I put fuses back where they should be, then I pull radio fuse and leave it out, as it will cause a constant draw for memory, and sometimes any accessory fuses such as lighter, or power socket for 12v chargers etc. With those out of the way, start pulling and watch light, if no change, put it back in. When I run into a real stumper, I make necessary notes if needed as before, and pull them all out, and light should be off. Now I start putting them in 1 at a time, and watch the light, when it comes on, I note that circuit, pull it back out, and do same with the rest. When your done you will have notes on every circuit that is causing a draw on your battery when sitting. Before you start, take your test light, go to all the fuses and touch little tips sticking out at end of fuses on both side to test for power, if only power on one side, that is a circuit that would not cause a draw when sitting & vehicle off. That would only be powered when key on, headlights on for example, so it doesn't come into play here. Leave those in if you want & it doesn't confuse you. Yes a little time consumming, but hey, think of the learning experience, and a simple test light, is something that every car owner should have anyway. Next time your wondering which fuse blew, you have a test light to tell you. As far as the heated seat goes, if there is a short there, and it's causing a lot of draw, pulling fuse should eliminate & confirm that.
Posted on Mar 07, 2009
SOURCE: My battery drains overnight
Connect a 12 volt DC test light between battery cable & post on positive terminal.(remove terminal) (inline) When that light is on, there is a draw. Radio memory, alarm/antitheft systems, etc will cause a draw, so make notes & pull them first. Light will be dull on low draw, bright on high draw. Watch light closely & start pulling fuses, when you see it dim down,or go off you;ve found a draw. If no change, put it back in & continue. I usually start with the suspected draw spots like listed above, and accessories fuses.(like a cigarette lighter stuck in.) If all else fails, I've had to remove all the fuses then start replacing one at a time, until light gets bright, to point me in direction of major draw. Don't be proud, if you don't think it's labeled well enough for you to remember where they all go, make your own drawing & notes. Keep me posted of your progress.
Posted on Apr 04, 2009
I have the same car I had the same problem.If you have the correct battery for your car with the same problem you have a short or positive ground in your dash/electric fuel pump/fuse box also be carefull of how you take the key from the ignition and if they're old replace them.
Posted on Apr 17, 2009
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