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Old 01-25-2011, 10:48 PM   #1
Giancarlo
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Battery Drains

Hey guys, I got another problem with the Focus, I just charged my battery slapped in the car started it perfectly with nothing. Next day I go back nothing wants to work... I test the battery and it lost it's charge AGAIN. Everytime I put the battery back on from a full charge the speedometer and other gauges go to their max and reset back to zero is this normal? Could one of the fuses or relays causing malfunction and making the car drain battery life when the car is off?

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Old 01-25-2011, 10:59 PM   #2
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the gauge sweep is normal..

it really sounds like you have something that is draining the battery or you have a ghost nearby(watching ghosthunters right now)

but in all seriousness
do you have any aftermarket electronics in the car?
is the door shut all the way?
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Old 01-25-2011, 11:08 PM   #3
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Quote:
Originally Posted by fhh02a View Post
the gauge sweep is normal..

it really sounds like you have something that is draining the battery or you have a ghost nearby(watching ghosthunters right now)

but in all seriousness
do you have any aftermarket electronics in the car?
is the door shut all the way?
Nope, everything is stock in this car...

I have a defective trunk hook and sometimes it doesn't close properly but I don't think theres light in there and I doubt it could be the cause of the problem or is it O.o??!
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Old 01-25-2011, 11:10 PM   #4
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Could be ur alternator not returning the charge to the batt
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Old 01-25-2011, 11:11 PM   #5
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Gian,
if i remember correctly there is a light in the trunk. if its not shutting all the way, it could be leaving the light on.

heres a trick (if there is a light) take the light out and see if your draining problem goes away

it wouldnt hurt to get the ALT checked

Madison,
if the alt was returning charge to the battery, I would think the battery light would be on.. maybe he should get the alt. checked
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Old 01-25-2011, 11:37 PM   #6
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Quote:
Originally Posted by fhh02a View Post
Gian,
if i remember correctly there is a light in the trunk. if its not shutting all the way, it could be leaving the light on.

heres a trick (if there is a light) take the light out and see if your draining problem goes away

it wouldnt hurt to get the ALT checked

Madison,
if the alt was returning charge to the battery, I would think the battery light would be on.. maybe he should get the alt. checked
yupp exactly, that trunnk light is a clever idea also !
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Old 01-26-2011, 12:00 AM   #7
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Checking the alternator is a good idea but should be done secondly to checking the battery itself for draw. Its a simple test that only requires an amp-meter.

Disconnect the negative battery cable and connect the positive end of the meter to the battery cable and the negative end to the negative battery post. The reading on the meter will tell you the amount of draw on the battery. This should also be done while simulating the car in its "parked" state, as in all the doors closed, key out of the ignition, etc etc. You should also let the meter sit in this position on the battery for around 15 minutes because in disconnecting the battery for that short period of time and then reconnecting it through the meter it might have awoken some modules and such that would need to power down again.

I hope this makes sense.
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Old 01-26-2011, 07:45 AM   #8
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I would take it to an autostore that would check battery and regulator with no charge. If battery and regulator are good, then go look for the unknown.
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