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1 Answer

Battery discharges when key turned


The battery may be defective. It will charge but will not hold the charge.

Aug 26, 2016 | 2006 Kia Sedona

1 Answer

I have a 2004 lincoln navigator v8 and I just replaced the alternator and the wiring harness but the battery keeps going dead any idea what it is


batteries can self discharge from internal failure and this can be checked by a battery load test
it may prove that replacing the alternator was not necessary
however on some units
there is a diode that stops the battery discharging back through the alternator when everything is off
wrong battery terminal installation or flashing will damage the diode
best now to have the reason for the discharge investigated by ab accredited auto electrician starting at the battery

May 13, 2016 | Lincoln Cars & Trucks

2 Answers

1.0l 3 cylinder 5 speed. Why won't it start with key when it's cold out?


SOUNDS LIKE BATTERY IS WEAK,,TAKE IT TO AUTOZONE HAVE BATTERY CHECKED!

Jan 22, 2016 | 1995 Geo Metro

1 Answer

Can the car alarm kill your battery but you can start the car but after you turn it off battey died again


sure, if you let the alarm drain the battery, this can destroy any stock battery.
The car batteries are not like golf carts and are not deep discharge rated. (so can be damaged)
so charge the battery, if it wont hold a charge, it is bad.
if it discharges silently, and darkly parked , that is phantom discharge
if is discharges , driving that is a engine charge system failure.
parked over night discharging is phantom discharging.
if the alarm goes off and stays in alarm , then dont use, it.
if the battery is happy with the alarm defeated then the Alarm is bad.

The battery measure 12.6vdc charged,(rested) "voltmeter"
and running measures, 13.3 to 15vdc at idle.

this one tool can solve this problem
http://www.walmart.com/ip/Equus-Innova-3721-Battery-and-Charging-System-Monitor/15137663

cheap.

Dec 05, 2014 | 2000 Chrysler Cirrus

1 Answer

Battery won't stay charged


1. the car drain's the battery even when it is not started or the key isn't in ignicion, the car has a electrical problem, you left a light, the starter could drain it, the alternator as well, or a bad radio is draining the battery even with no key in the ignicion,
2 it's a bad battery (discharges it self by beeing counicated inside).

solucion 1. to see if the car is drainin the battery would be by disconecting a battery termina and see if discharges again, if not, then the car drain's the battery.

solucion 2. if the battery discharges even when if it's disconected from the car, then change the battery.

warning, the first cause coul'd induce to a self discharging battery. even if you changed the battery, do a litle monitoring to be sure it's not the car that is turning the battery bad. how? if you install a new battery, leave the car for a few days (i mean do not start the car) and see if the battery discharges, if so, then you have to search what is draining the battery (that could be a very costly work, time and money and complicated). or put a ''battery disconector'' so the car cannot discharge the battery.

Apr 05, 2014 | 1994 BMW 3 Series

1 Answer

Resolving battery dying out and discharge light dosen't come on?


Discharge light will actually only come on when the alternator is not putting out its normal 13.5 - 14.5 volts. Sounds to me your alternator is fine, your battery has some dead cells, and will go dead soon as you shut off your engine. Battery is not accepting the charge the alt. is giving it. New battery is needed.

Dec 07, 2013 | 1994 Chevrolet Cavalier

1 Answer

Car and lawn tractors will start with booster cable and run. Once the ignition is turned off need a booster again. What is the problem. Batteries are showing charge?


lead acid (auto) type batteries cannot be left in a discharged state very long without damage ...if they have been discharged awhile then they will recharge but at greatly refuced capacity ... sometimes they can be recovered but usually its perminant damage .. even if the batteries can be saved it would still take several hours to recharge ...so leaving it on a charger overnight will show you if its a lost cause or not ...you can have the batteries "load tested" usuallly at auto parts stores for free .....they should be fully charged first to save time ...lead acid batteries should always be kept in a state of full charge ...never store them in a discharged condition or allow them to selff discharge (a discharged battery will freeze over the winter) ... charging once a month should keep them healthy .. more often in a car since the computer draws current all the time .. if you have a regulated charger then you can leave it connected all the time for storage ...high resistance battery connectios will have the same effect .. so remove and clean the battery terminals to eliminagte that possibility ... you can have your alternator tested at most auto parts stores ..usually free .. if you have maintainable batteries then check the water level . dont over fill .. use distilled water ...if your charging systems are ok then it sounds like you need new batteries ...

Apr 11, 2010 | 2005 Mini Cooper

1 Answer

Battery discharge light is shown. After car is


Check alternator for charge,somebody was boost and fray diode inside alternator,start car when car is runing remove positive cable if car stop you need new alternator

Apr 22, 2009 | 1999 Oldsmobile Intrigue

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