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Battery loses power after sitting for 3 to 4 days

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Sounds like a bad battery. Auto parts stores have testers to see if the battery is ok or not

Posted on Apr 27, 2010


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Problems with charging system in an okanagan camper. Replaced circuit breakers ( is there a right or wrong way to install). Is there anything else to check as well? Fuses or converter?

Losing power while just sitting for long times is normal for wet cell batteries. However, for a short period like that, sounds like there is a constant drain on the battery when you think it is not in use (something connected to the battery). When you are not using the battery, either disconnect the battery, trace the source of the drain and turn it off, or buy a trickle charger and attach it to the battery and plug it in. You should also do a battery load test to see if the battery is properly holding a charge.

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You have a parasitic draw. Something is drawing power while the truck is sitting. Do you have any aftermarket items hooked to direct power? Something you leave plugged in to the 12V plug (cig lighter) Some 12v plugs are full time power and some are only powered with ignition on. Any amps wired direct power? If you have no aftermarket accessories drawing constant power you then need to determine what circuit has the draw. An amp clamp on the battery cable will show draw, then re & re 1 fuse at a time until you find the one that eliminates the draw. Once you've done that you need to find the problem on that circuit. All this is assuming your charging system is working and the battery is being properly charged while you're driving the truck.

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2001 Chevy venture will not start Have full power until I turn ignition at which time I lose all power Once this happens I do not get power back and turning ignition only yields a one second mechanical...

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Battery was boosted, resulting in loss of power locks and drivers power window, no prior problems

the jumpstart caused a power spike which blew one or several relays or fuses. remember there is a fuse panel inside AND underhood.

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Battery loses charge after 3 days of sitting why does this happen?

Only proper testing will give you the answer

Start pulling fuses & see if you can kill the
circuit that is responsible

You will need a volt meter & use in Milli Amps,
to watch the current draw as you remove fuses

The doors have to remain closed or you power up the
delay relays & have to wait for them to go to sleep about 15
min later, to start your testing over

Pretty much need a wiring diagram as you need to know
what is in the circuit if you find the problem at some point

Your current flow should be around 40 to 70 Milli-Amp
More your battery dies over night or a couple days

You always power the radio clock, & computer Keep
Alive Memory

Feb 14, 2013 | Cars & Trucks

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98 GMC 4X4 won't start

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1994 Jaguar xj6 battery loses all power after sitting idle 3 to 7 days. Shows normal charging rate. has new batt. all systems off except theft alarm. HELP!

you have a battery power drain.  Remove one fuse at a time until you find which circuit it's in.  This will take a while but it will find the problem and it's free.

Apr 01, 2009 | 1994 Jaguar XJ6

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Toyota Highlander, the batttery takes a charge and the car will run, After it sits idle for 2-3 days the battery loses it's charge. I have checked and none of the lights are on. Any suggestions on what I...

the battery could be failing... quick way to find out is if you are not using it for a few days is to unhook the battery... when you want to start it see if it starts... if not the battery is failing... also you could hook a multimeter between the positive battery terminal and the unplugged battery terminal... there should be a minisule draw on the battery for the radio but nothing more


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