Question about 1999 kawasaki ZX-9R Ninja

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Battery is always diying after sitting for a few is new and the charge system does work.(tested)what is the problem?

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Dissconnect the battery, next time and let it sit the few days, connect up the battery and see if it starts

this will check if there is a current drain( shouldnt be any thing with ign off) or the battery is faulty( there is usually a warranty period)

Posted on May 07, 2010


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On my 2010 Silverado the message center says engine power reduced, service stabilitrack and service traction control system. What would cause these messages. It started after sitting for a few days

The fault codes have nothing to do with it sitting for a few days. There are sensors that work with your ABS brakes and TCS to help your car maintain control when corning briskly under load. You probably have a bad sensor on one of the wheels. Recommend you get the Haynes manual to see exactly how to test and replace them. A multimeter will help too.

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The alternator went out on my 1991 Z/28 Camaro 5.7L and I got the alternator replaced along with a new battery. The car will not stay charged after a few day sitting in my drive way because of this problem

You need to perform a parasitic amp draw test. Make sure your doors are closed and all interior lights, etc are turned off. Using a multimeter first disconnect the negative terminal and place one probe on negative battery terminal and one on the negative terminal you removed. This will tell you if there is something pulling power off the battery while the car is sitting. To find the source of any amp draws on your system(aka parasites) pull one fuse at a time and see how much the draw changes. Look at aftermarket radios and alarms they almost always have a small amount of current draw. This should help you narrow down the component causing your issue. Once you have identified the source post the information so we can help you further.

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Battery tested

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Car turns over VERY slow but always starts on first try. Took to test battery, starter, and ALternator, and all checked good. Took back a few days later and battery only at 60%, Since battery over 4 yrs...

Check the battery ground cable where it is connected to the engine block. If corroded, dirty or loose, it may be making a high resistance connection, which will interfere with both starting and charging. Also, look for anything that might be draining the battery when the car sits, like a trunk light that won't turn off.

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Mitsubishi Diamante 2002 - slow battery drain when not running.

This problem may be a drain or a bad battery or alternator.

The first thing to do before going on trying to find the system that is draining the battery would be to have the battery tested and charging system tested.

A weak battery will seem ok after the car is jumped or will barely start the car and the alternator will charge it even though the alternator is overworking due to weak battery and during the day or when car does not sit long it will seem ok. then when car sits overnight or a few days battery will weaken on its own, making it look like a drain,

so first step is battery test and alternator/charging system test.

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Dec 23, 2012 | 1997 GMC Sierra

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Have an '85 XJ6. If it sits for a few days the battery is dead. Where do i start?

You first have to determine if it is a charging of the battery issue, or the battery itself, or if there is an unintended drain on the battery while sitting.
You can check if the alternator is charging good, by putting a voltmeter on the battery while engine is running. Voltmeter should read over 13 volts, somewhere between about 13.2 volts and tops about 14 volts, or just over. Anything less than 13 volts, and the alternator is not up to par, not charging the battery sufficiently.
If the battery is a little old, and beyond its warranty, it may just be too old to take a full charge, or it might have a dead cell. You can have the battery tested to see if it is still good.
If the alternator and battery are both good and working properly, you can check for an overnight drain with just a simple testlight. Everything in car should be off. Now take off the battery negative terminal and connect the testlight between the negative cable end and the battery negative post. If you have anything draining the battery while it sits, the testlight will light up brightly. If no light, or a very dim bulb, the system is good. A dim light would just be computer and clock memory, a very small draw, like milliamps, and should not be enough to run the battery down.
If you have a bright light on the tester, just start pulling fuses out one at a time, till light goes out. The circuit for the fuse that turned the testlight off is the problem circuit. Something on that circuit should be off and not drawing power, but it is.
Good luck.

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a lawn mower battery is only good for a couple years when keeping it charged and testing voltage doesn't tell you what is has for amps is the volt meter read more than the off voltage while running then it works they only have a 4-7 amp charging system

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When the vehicle sits for a few days the battery goes dead

How new is the battery? You may have a bad cell, it will test good once charged with a multi meter, but a load test is the true way to tell.
Usually Autozone or pepboys, will perform this test for free.

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After sitting for a few days the car needs to be jumped

Charge the battery with a battery charger and have it load tested. If it shows good after testing, you have a power draw in the system somewhere.
Check obvious items such as interior lights or glove box light staying on, then put an ammeter between either of the battery leads and the battery and pull fuses one by one till the draw disappears or diminishes substantially. That will be the circuit that serves whatever item is giving you the problem, then you need to do some tracing to check exactly which item is causing the draw.(while testing, keep in mind that if the door is open it will draw for interior lighting)
Also check alternator output... an alternator that is under-charging can also draw power with the engine off....usually caused by a bad bridge rectifier inside the unit (get a rebuilt one).

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