The battery has a dead cell, if an interior light can kill it in a day. To check this for yourself, next time you boost off and drive at least 15 minutes, park and turn on you headlight for about 5 minutes. No start, dead cell. Another thing you might do is after driving, disconnect the battery and wait a day. If it is dead when you hook it back up, it is definitely a dead cell.
Some vehicles have a relay that kills current to the alternator when the engine is not running. It could be stuck.
Not knowing the make and model year, those are the only suggestions I can make.
2006-12-05 06:10:45
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answer #1
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answered by eferrell01 7
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Sounds to me like something is draining the battery. Could there be a light on? Does the car have and aftermarket stereo that has direct power? Does the car have an open circuit somewhere?
Just a little note about having a battery tested. When a battery is tested its load tested, meaning a load is applied to it and if the battery returns to normal voltage it’s deemed as passing. Load testing more often than not will indicate a battery with a dead cell. If there is not an open circuit in the car somewhere I’d give the battery a second look.
2006-12-05 02:36:22
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answer #2
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answered by deanspurrier 3
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Something is draining the battery. It has to be something small if it's good for a few days. Trunk light or glove box possibly a minor short in the wiring. If one cell is bad on a battery then the battery is bad.
2006-12-05 02:33:15
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answer #3
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answered by Anonymous
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If everything tested fine, you probably have a minor short that is draining your battery while it sits.
If your battery is more than 3 or 4 years old, it may still be your battery. You might check to see if your glove box light or trunk light is staying on.
2006-12-05 02:29:07
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answer #4
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answered by Lemar J 6
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most common problems are battery terminal corrosion not letting you have a good connection. second cause is a belt that needs to be tightened. and last your alternator is only charging a little bit just enough to get by but not enough to fully charge the battery. test equipment is not always correct especially in problems that are erratic. Hope this helps.
2006-12-05 02:56:38
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answer #5
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answered by Anonymous
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i own a repair shop,and there may be something staying on in the car like a glove box light or something that is running it down a little,,you need to look at everything,and make sure it has nothing on ,,maybe even a trunk light ,,any small bulb can weaken the battery,and make it not start,,if you don't find it you might want to take it to any good repair shop,and let them do a draw test on it to determine if it has a weak battery,or something running it down,,good luck,i hope this help,s
2006-12-05 02:56:26
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answer #6
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answered by dodge man 7
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clean all the battery cable connections, make sure alternator connections are tight
use baking soda and water to clean battery teminals, dry them off real good, with a small wire brush
everything has to be clean and dry in an electrical system, or you will get corrosion and loss of contact
good luck
2006-12-05 03:36:02
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answer #7
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answered by mr wabbit 5
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Might be a good idea to change the battery anyway.
2006-12-05 02:32:09
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answer #8
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answered by C = JD 5
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maybe your fan belt is loose not letting your alternator charge your battery.
2006-12-05 02:34:03
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answer #9
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answered by Billy D. 3
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the ignition could be drawing damp,and not letting it fire.
2006-12-05 02:31:15
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answer #10
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answered by Anonymous
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