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Why is my amp draining my battery with my car and amp off?

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The IOD is pulling 2 amps n draining battery over night. What can I do to correct the problem???


Testing for Battery Drain - Randy's Repair Shop

randysrepairshop.net/testing-for-battery-drain.html
Instructions for measuring automotive battery current drain. ... Excessive current drainwill usually result in the battery running down overnight or within a few days. ... Many digital meters have a 2 amp internal fuse that may blow if multiple ... If pulling fuses and circuit breakers doesn't stop the current draw, you'll need to look ...

How do you trace a drain on the battery of your car with an ...

www.instructables.com/.../How-do-you-trace-a-drain-on-the...

InstructablesApr 13, 2011 - I know this is an old question, but I that if the battery cable is not clean or .... I wish I could find one of those 14.4 Vdc 2 Amp solar chargers. ... be to pull a different fuse every night (not the ones which would require factory help ... As others have pointed out, the LED will not drain a good car battery overnight.

Diagnosing A Car Battery That Runs Down

www.aa1car.com/library/battery_runs_down.htm

Jan 05, 2016 | Cars & Trucks

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My car is draining battery even with ignition and light off


That means that you have a parasitic drain, that can be caused by a short or by a defective device.

First try to understand if there is a parasitic drain.

Once you exclude the drain, replace the battery, a battery with shorted cells can cause the drain.

To measure drainage remove ignition key, connect the amp meter between the battery positive wire connector and positive terminal.A couple of milliamps drainage is normal, and is caused by instruments, car stereo memory, ECU etc.
Start removing more fuses , and open the wiring at different points , trying to locate the problem.
Remove the fuses and see if you have drain by connecting a meter to read amps on battery, if you have drain with no fuse, then the problem is insulated to wiring harness before the fuse, with something shorted between the battery and the fuseblock.
Also check car stereo and car amp HU, the HU can keep a unit on when the ignition key is off, causing drainage.


on May 17, 2009 | 2004 Chrysler Pacifica

1 Answer

How do I stop the anti-theft device red blinking light? Car is off and locked and from the window can see the red light blinking.


the red light drain 0.001amp. from you battery.need 1000 hour to drain 1 amp. test the battery if is any good. do drain test on the car.rust and short will drain battery overnight.after market equipment,light in the trunk or glove box, under hood light etc. disconnect the battery and install amp meter. do the drain test. your computers uses 0.2-0.4amp when sleep.anything over 0.5-.6 amp is bad. after you connect the amp meter give 1min. to turn all systems to sleep mode.Is normal the first minute to be high drain.
ones you know something is wrong disconnect the fuses one at the time and note if any changes. if the fuse you disconnect turn the amps low note what system is connected to the fuse and you will know were is the problem

Oct 24, 2014 | 2003 Oldsmobile Alero

1 Answer

My battery keeps getting drained when my car is not running. auto place said that I have a drain when my car is not running and that my battery andalternator test good. What might be draining my batte


The only way to solve this problem is to isolate which circuit is causing the problem. To do this you must have an amp meter. (one that will read up to 10 amps minimum; I doubt you are drawing more than that) With key off, disconnect the positive cable to the battery and insert amp meter, positive meter cable to positive terminal and negative meter cable to positive cable on car. Normal draw will be in the milliamps. Anything 1/4 amp or more I would consider abnormal. Then star removing fuses (one at a time) until drain disappears.

Aug 28, 2014 | Cars & Trucks

2 Answers

Why does battery drain ?


there are several reasons...not enough cells in a weak battery(not enough cold cranking amps in battery to turn the car over). Check your alternator as well. Does the temperature drop? Sounds like you need a new battery(also when you turn off your car- TURN OFF EVERYTHING...sometimes a radio, or something not turned off(even a trunk light, interior light, security system(various things)- can zap the juice from your battery overnight or within hrs.-leaving not enough to start the car the next day....Hope that helps....Xx, Jasmine

Aug 15, 2014 | 1995 Lincoln Town Car

1 Answer

40 amp fuse labeled 'Fuse Block' is causing a 3.5 amp parasitic draw and draining battery


??? are you certain its that ??? that fuse will most likely control all the power in the fuse box and the 3.5 amp you see that's called the parasitic draw will most likely be that of the cars computer..

3.5 amp wont drain a battery over night nor in a week i'm assuming you have at least a 500CCA battery here.

battery's don't drain like that, they do loose power once they have a bad cell, or the battery water is low. I'm assuming you had it tested here by a technician from the battery shop and that's what they told you and its a new battery or relatively new..

to test this your self you can take the battery out of the vehicle and leave it outside over night, you will see the power is drained out and it wasn't connected to anything. Thats because of the bad cell..

To prove it to them, Remove the caps If its not a sealed maintenance free one and you will see bubble coming out of the bad cell once the car is idling.. (don't inhale the fumes or let it get in your eyes)

Dec 29, 2012 | 1993 Jeep Grand Cherokee

1 Answer

Battery drain


drain is hard to find it could be a short or a component is staying on. you need an amp meter and hook it up between your battery negative terminal and the negative battery cable.turn the key off and check how many amp is the drain make sure all the lights and doors are closed, dont crank the car with amp meter on it will burn the meter. take each fuse out at a time which ever fuse drops the amps down by pulling it out is causing the drain. find what that fuse is for. check that component and the wiring on it for any shorts.

Dec 04, 2012 | 2005 Mazda 3

1 Answer

2000 Toyota Camry drains battery when shut off


Did the mechanic not check for current drain with an
amp meter & see if everything timed out after ignition
is off & door closed & was within milli-amp spec

I don't think people explain why they are at a shop or
the mechanics have little skill or patience for some issues

Nov 26, 2012 | 2000 Toyota Camry

1 Answer

10 amp draw draining battery overnight on 99 tahoe


I have done this before, put about a 10 amp charger on the battery. Pull the courtesy light fuse first. Look at the battery charger, it is probably charging several amps, pull one fuse at a time. When the charging amps drops down you found the fuse the controls the problem. I had a car several years ago that someone pulled the seat belt all the way out, somehow it was pulling a load and draining the battery overnight.

Jan 05, 2012 | 1999 Chevrolet Tahoe

2 Answers

My battery keeps draining down at night it's a 99 dodge durango


you have something draining the battery,check for any lights that might be staying on,interior light,stop light under the hood light(if any),glove box light trunk light, if you have a multimeter with amp testing capability or an amp meter you can check where the drain is by removing each fuse & put the probes on each side the terminals until you find a drainage,that way you might be able to find out what is draining the power & rectify it......hope this helps......cheers

Jul 28, 2010 | 1999 Dodge Durango

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