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Battery keeps draining

I can drive it for a little while but then the battery goes dead

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How do I find a electrical short changed the battery and still goes dead


When does it go dead ? Over night , while driving ? Two different diagnostic's ! If it goes dead while driving the alternator is not charging the battery . If it goes dead over night there is a parasitic drain on the battery , something is on , using current . You don't say what make , model and year vehicle but most all vehicles from the mid 80's on have a number of control modules (computers ) . They power down after a set amount of time , an sometimes they don't power down . There are videos on youtube showing how to find a key off power drain .

Apr 02, 2017 | Cars & Trucks

2 Answers

New alternator new battery but battery still not keeping charge what else could it be


What do you mean not keeping charged ? Battery goes dead over night ,while driving the vehicle ? Could have a parasitic drain on the battery while vehicle is parked . Do you come out to start the vehicle in the morning an the battery is dead ?

Jan 26, 2017 | Cars & Trucks

1 Answer

Why does battery go dead in two days?


If goes dead while driving not charging possible bad alternator. If goes dead regardless of driving probably a power drain somewhere. Easy way to test alternator is test battery voltage with a multimeter and make sure at least 12.5. Start car check voltage again and see what it is shot be around 14. If not alternator is most likely bad.

Apr 21, 2016 | 2000 Jaguar S-Type

1 Answer

2006 liberty new battery alternator works when sets over night battery goes dead put a kill switch on and still goes dead ?


put kill where? at battery post, and is just a switch,
not those dynamic battery drop relays?
if the battery goes dead with the neg. lug pulled the battery is bad.
end of life , battery.
the lug pull never lies.... ever.
if stays ok now this is called battery phantom drain.
(or aka. dark currents)

finding cause takes an ammeter. any,
here is all ways to find a drain.

http://www.fixkick.com/drain/drain.html

Mar 03, 2015 | 2006 Jeep Liberty

1 Answer

Have a 1994 blazer s10. keep replacing batteries and they go dead within few days! Where is a common short?


I'll start by saying if a battery goes dead you should be able to recharge it without having to replace it.
If it goes dead overnight something may be draining it, or the alternator may not be charging enough.
A mechanic would check alternator output and check all of the circuits for a power drain.

Sep 03, 2013 | 1994 Chevrolet S-10

1 Answer

Battery goes dead after not driving car fr a few days has newbattery


Check all your little lights. Under the hood, trunk, glove box wherever a little light is.
90% of the time that's the cause on my customers vehicles.
Try that and if that isn't it let us know, it could be a voltage drain and they sometimes aren't easy to find.

Nov 18, 2011 | 1995 Cadillac Eldorado

1 Answer

My dodge dakota will not idle and the battery keeps going dead


The problem with a lot of dodges is that the computer will loose the idle memory when battery power is lost, to regain the idle just hold the gas pedal a little to keep engine running for about 2-3 min then release the pedal and it will idle on its own, if the battery goes dead it will loose idle again.



As far as the battery going dead you will need to check a few things, first have the battery tested a bad battery that doesnt hold a charge can test good and still be bad due to it can not hold a charge. the battery is charged and if it tests good try this, unhook one battery terminal over night or for as long as it takes to drain normally. if the battery goes dead unhooked then the battery is your problem.

At the same time the battery is tested have the alternator tested. Make sure its tested good. what i mean is tested at idle with all acc on, like lights heater, rear defoger and etc.


Hope this helps. good day

Sep 25, 2011 | Cars & Trucks

1 Answer

Something keeps DRAINING the battery?


If you disconnect the negative battery cable and connect a 12V test light between the battery negative post and the negative battery cable terminal the light will burn if there's a draw. Make sure all electrical consumers are off and all doors closed when doing this draw test. If the light is on start pulling 1 fuse at a time until the light goes out, when it goes out that's the circuit that has the draw. Trace it from there.

Mar 02, 2010 | 1996 Jeep Grand Cherokee

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