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Car Battery Question

 
BFD

User ID: 77598480
United States
08/11/2022 03:55 PM

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Re: Car Battery Question
...


correct, it should actually read higher than twelve volts..
13 to 14 possibly..
you need a new battery..
 Quoting: Aborted Soul


Correct. You need a new battery and after that start the car and stick a voltmeter on the terminals to check it read 14.1 or above, this will prove the alternator is working.
 Quoting: Anonymous Coward 80764306


I've got the same problem... new battery, new alternator.

Some days it holds a charge, other days I come out and it won't even click.

No rhyme or reason so I'm thinking it's a short somewhere.
 Quoting: BFD


Check the fuse box
 Quoting: javierruizleon


You know, the other day I switched a relay around the one because it was one of the four-pronged ones and it started up...

But then it stopped working again so I don't know.

You're probably right.
INFJ/Conservative Artist
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User ID: 81630431
United States
08/11/2022 04:01 PM
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Re: Car Battery Question
The points on the starter are burn26th
Anonymous Coward
User ID: 25203271
Canada
08/11/2022 04:01 PM
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Re: Car Battery Question
Give your starter a few light taps with something.
kdog82  (OP)

User ID: 79736903
United States
08/11/2022 04:01 PM
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Re: Car Battery Question
It's the battery. Just because it reads fully charged does not mean it will start a car. Its wore out.
 Quoting: Anonymous Coward 54028161


correct, it should actually read higher than twelve volts..
13 to 14 possibly..
you need a new battery..
 Quoting: Aborted Soul



No way, 12.8 is fully charged, but a really good battery could read 13.1. Never 14v.

OP, take it to the auto parts store and get it load tested.

If it passes the load test you're looking at a bad terminal or bad starter.
 Quoting: Anonymous Coward 83999734



Yep, I agree. Will go out and get a new one tomorrow.

Thanks everyone !
Second phase in life begins
Anonymous Coward
User ID: 80902135
United States
08/11/2022 04:05 PM
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Re: Car Battery Question
It's the battery. Just because it reads fully charged does not mean it will start a car. Its wore out.
 Quoting: Anonymous Coward 54028161


correct, it should actually read higher than twelve volts..
13 to 14 possibly..
you need a new battery..
 Quoting: Aborted Soul


Correct. You need a new battery and after that start the car and stick a voltmeter on the terminals to check it read 14.1 or above, this will prove the alternator is working.
 Quoting: Anonymous Coward 80764306

Probably a shorted cell. Should read above 14 volts unloaded.
You got some voltage but no current.
Anonymous Coward
User ID: 80649630
United States
08/11/2022 04:05 PM
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Re: Car Battery Question
I have a 2010 Hyundai Sante Fe.The other day, the car started fine several times and ran fine. Then it wouldn't start. It was pretty much dead.

Finally got a jump from a tow truck driver and it started right up and ran fine till I got home. I took the battery out, put it on my charger and after a few hours it was fully charged. Voltage was 12.8 volts and held a charge over night.

I cleaned the terminals and connectors with sand paper. Installed it back in the car and still wouldn't start. Tried jumping it with my wifes car and still just the lights coming on and some clicking.

Is it the battery not having enough amps or something else?
 Quoting: kdog82


Try the alternator
MarPep

User ID: 83999412
United States
08/11/2022 04:06 PM

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Re: Car Battery Question
Could be starter solenoid.

Or,

if the battery is being drained overnight, you could put in a battery cut-off switch till you found the short
_______________
They let me off with a warning and a couple of bullet holes.
Anonymous Coward
User ID: 50466161
United States
08/11/2022 04:07 PM
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Re: Car Battery Question
You need to do some basic tests before assuming its the battery.

Get a multimeter and see what you have at the terminals while the car is running you should see above 13v.

Newer vehicles have battery management systems that wont even charge the battery if it is fully charged reason being is for mpg. For example you will see something like 12.8 going down the road if there is little draw. You need to turn the headlights on or air conditioner.

Better yet get a OBD reader Vlinker off Amazon it will tell you the voltage from the ECU. I have a cheapo bluetooth one but it sucks to get it connected sometimes.
BFD

User ID: 77598480
United States
08/11/2022 04:10 PM

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Re: Car Battery Question
Could be starter solenoid.

Or,

if the battery is being drained overnight, you could put in a battery cut-off switch till you found the short
 Quoting: MarPep


This is what my step-dad suggested....

Just put an inline toggle switch in the path.
INFJ/Conservative Artist
javierruizleon

User ID: 82508592
United States
08/11/2022 04:13 PM
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Re: Car Battery Question
Give your starter a few light taps with something.
 Quoting: Anonymous Coward 25203271


Old School, how many people we knew started their car with a hammer

Last Edited by javierruizleon on 08/11/2022 04:15 PM
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T-Man
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User ID: 47885652
Netherlands
08/11/2022 04:15 PM

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Re: Car Battery Question
You need to do some basic tests before assuming its the battery.

Get a multimeter and see what you have at the terminals while the car is running you should see above 13v.

Newer vehicles have battery management systems that wont even charge the battery if it is fully charged reason being is for mpg. For example you will see something like 12.8 going down the road if there is little draw. You need to turn the headlights on or air conditioner.

Better yet get a OBD reader Vlinker off Amazon it will tell you the voltage from the ECU. I have a cheapo bluetooth one but it sucks to get it connected sometimes.
 Quoting: Anonymous Coward 50466161


Everyone saying its his battery

he said:
Tried jumping it with my wifes car and still just the lights coming on and some clicking.

How could the battery be to blame when it was completely irrelevant in this set up? And how would the battery cause the clicking? The clicking is what made me think its the starter

but i literally have no car knowledge. i just like puzzles
T-Man
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User ID: 47885652
Netherlands
08/11/2022 04:16 PM

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Re: Car Battery Question
Give your starter a few light taps with something.
 Quoting: Anonymous Coward 25203271


Old School, how many people we knew started their car with a hammer
 Quoting: javierruizleon


had this happen in my fiat back in the day. my friend literally walked up with a wooden board and smacked it. then i drove off. lol
Anonymous Coward
User ID: 81908831
Switzerland
08/11/2022 04:21 PM
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Re: Car Battery Question
check the date sticker on the battery, most batteries good for 3-5 years
 Quoting: javierruizleon


I have had the car for about 3 years and never replaced the battery. So my next step is to take somewhere to get tested, but, yeah, I it just needs placing . I think the sticker said 2018, assuming that was the date sticker.
 Quoting: kdog82


Moron, buy a fucking battery whatthe fuckm is wrong with yo? Good fucking grief, you go on GLP to ask the dumbest thing in the world, you cheap, brok-ass loser, moron.
T-Man
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User ID: 47885652
Netherlands
08/11/2022 04:26 PM

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Re: Car Battery Question
check the date sticker on the battery, most batteries good for 3-5 years
 Quoting: javierruizleon


I have had the car for about 3 years and never replaced the battery. So my next step is to take somewhere to get tested, but, yeah, I it just needs placing . I think the sticker said 2018, assuming that was the date sticker.
 Quoting: kdog82


Moron, buy a fucking battery whatthe fuckm is wrong with yo? Good fucking grief, you go on GLP to ask the dumbest thing in the world, you cheap, brok-ass loser, moron.
 Quoting: Anonymous Coward 81908831


dowager

HOW IS IT HIS BATTERY?

he used his wifes car to test it and it still didnt work
Holy fucking Brief, you go on GLP to spout your anger the same way i do, you intelligence lacking loser. MORAN

charlie
Anonymous Coward
User ID: 79417995
United States
08/11/2022 04:39 PM
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Re: Car Battery Question
Some model vehicles require an ECM voltage source be applied before removing the car battery, or the ECM goes dead, and will require a trip to the dealer to reflash ECM PROM settings.

If these settings are lost, your vehicle computer does a self labotomy, and becomes useless.

ALWAYS when replacing an automotive battery, get the 9v adapter that plugs into the cig lighter, or clips onto battery terminals before removing battery, or this could happen.

A list of vehicles that offer this fabulous option is available.

You are looking at about an hour labor charge + tow in to the dealer to get it fixed.

Your cars computer is effectively dead right now, that’s why it won’t start.
Anonymous Coward
User ID: 50466161
United States
08/11/2022 04:44 PM
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Re: Car Battery Question
You need to do some basic tests before assuming its the battery.

Get a multimeter and see what you have at the terminals while the car is running you should see above 13v.

Newer vehicles have battery management systems that wont even charge the battery if it is fully charged reason being is for mpg. For example you will see something like 12.8 going down the road if there is little draw. You need to turn the headlights on or air conditioner.

Better yet get a OBD reader Vlinker off Amazon it will tell you the voltage from the ECU. I have a cheapo bluetooth one but it sucks to get it connected sometimes.
 Quoting: Anonymous Coward 50466161


Everyone saying its his battery

he said:
Tried jumping it with my wifes car and still just the lights coming on and some clicking.

How could the battery be to blame when it was completely irrelevant in this set up? And how would the battery cause the clicking? The clicking is what made me think its the starter

but i literally have no car knowledge. i just like puzzles
 Quoting: T-Man


That tells you right there its not the battery. He could have hooked the jumper cables up directly to the terminals from the other car without the battery even being in the car, he said it had 12.8 right off the charger.
Anonymous Coward
User ID: 83947737
United States
08/11/2022 05:21 PM
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Re: Car Battery Question
They have a problem with the ground wire from the battery to the body of the car. Google it and you will know what I’m talking about
Anonymous Coward
User ID: 71199435
United States
08/11/2022 05:38 PM
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Re: Car Battery Question
I have a 2010 Hyundai Sante Fe.The other day, the car started fine several times and ran fine. Then it wouldn't start. It was pretty much dead.

Finally got a jump from a tow truck driver and it started right up and ran fine till I got home. I took the battery out, put it on my charger and after a few hours it was fully charged. Voltage was 12.8 volts and held a charge over night.

I cleaned the terminals and connectors with sand paper. Installed it back in the car and still wouldn't start. Tried jumping it with my wifes car and still just the lights coming on and some clicking.

Is it the battery not having enough amps or something else?
 Quoting: kdog82


Found your problem right away

Its a POS Hyundai Sante Fe
Anonymous Coward
User ID: 71199435
United States
08/11/2022 05:39 PM
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Re: Car Battery Question
I have a 2010 Hyundai Sante Fe.The other day, the car started fine several times and ran fine. Then it wouldn't start. It was pretty much dead.

Finally got a jump from a tow truck driver and it started right up and ran fine till I got home. I took the battery out, put it on my charger and after a few hours it was fully charged. Voltage was 12.8 volts and held a charge over night.

I cleaned the terminals and connectors with sand paper. Installed it back in the car and still wouldn't start. Tried jumping it with my wifes car and still just the lights coming on and some clicking.

Is it the battery not having enough amps or something else?
 Quoting: kdog82


Try the alternator
 Quoting: Anonymous Coward 80649630


Dip Shit
Anonymous Coward
User ID: 71199435
United States
08/11/2022 05:41 PM
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Re: Car Battery Question
I have a 2010 Hyundai Sante Fe.The other day, the car started fine several times and ran fine. Then it wouldn't start. It was pretty much dead.

Finally got a jump from a tow truck driver and it started right up and ran fine till I got home. I took the battery out, put it on my charger and after a few hours it was fully charged. Voltage was 12.8 volts and held a charge over night.

I cleaned the terminals and connectors with sand paper. Installed it back in the car and still wouldn't start. Tried jumping it with my wifes car and still just the lights coming on and some clicking.

Is it the battery not having enough amps or something else?
 Quoting: kdog82


Really I know your issue

You have the starter wire grounding out to the frame possibly melted to the exhaust manifold

Everyone else is just guessing
T-Man
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User ID: 47885652
Netherlands
08/11/2022 05:44 PM

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Re: Car Battery Question
I have a 2010 Hyundai Sante Fe.The other day, the car started fine several times and ran fine. Then it wouldn't start. It was pretty much dead.

Finally got a jump from a tow truck driver and it started right up and ran fine till I got home. I took the battery out, put it on my charger and after a few hours it was fully charged. Voltage was 12.8 volts and held a charge over night.

I cleaned the terminals and connectors with sand paper. Installed it back in the car and still wouldn't start. Tried jumping it with my wifes car and still just the lights coming on and some clicking.

Is it the battery not having enough amps or something else?
 Quoting: kdog82


Really I know your issue

You have the starter wire grounding out to the frame possibly melted to the exhaust manifold

Everyone else is just guessing
 Quoting: Anonymous Coward 71199435


so where did the clicks come from?
CK Dexter Haven

User ID: 83868309
Spain
08/11/2022 05:52 PM
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Re: Car Battery Question
Optima Red Top Batteries kick ass

[link to www.optimabatteries.com (secure)]

You can get them at O'Reillys
Anonymous Coward
User ID: 78209336
United States
08/11/2022 05:54 PM
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Re: Car Battery Question
Bad ground.
 Quoting: Anonymous Coward 62226146


This
Anonymous Coward
User ID: 78789743
United States
08/11/2022 05:55 PM
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Re: Car Battery Question
It's the battery. Just because it reads fully charged does not mean it will start a car. Its wore out.
 Quoting: Anonymous Coward 54028161


hesright
ConcernedHuman

User ID: 72699230
United States
08/11/2022 05:56 PM
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Re: Car Battery Question
What do you mean the battery’s dead?
I want the truth. We all deserve it.
Anonymous Coward
User ID: 83984921
United States
08/11/2022 06:00 PM
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Re: Car Battery Question
maybe the emm start engine thingy is stuck

happened to me once.

lets wait for the mechanics to jump in.

meanwhile

:scrumpbump:
 Quoting: T-Man


Definitely check the emm start engine thingy. That biotch probably all stuck.
T-Man
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User ID: 47885652
Netherlands
08/11/2022 06:04 PM

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Re: Car Battery Question
maybe the emm start engine thingy is stuck

happened to me once.

lets wait for the mechanics to jump in.

meanwhile

scrumpbump
 Quoting: T-Man


Definitely check the emm start engine thingy. That biotch probably all stuck.
 Quoting: Anonymous Coward 83984921


hesright chuckle
Anonymous Coward
User ID: 83899881
United States
08/11/2022 06:07 PM
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Re: Car Battery Question
Could be bad Alternator not recharging the battery
 Quoting: javierruizleon


That isn't a problem for starting, if it's at 12.8V. Ideally it's over 14, but 12.8 is plenty to start.

There's some other problem. A short circuit somewhere draining the voltage so it doesn't get to the starter motor, perhaps. You could measure the voltage across the starter while cranking to confirm this.
TheOnlyOpinionThatMat​ters
User ID: 83816072
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08/11/2022 06:13 PM
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Re: Car Battery Question
Charge Battery.
Turn on your headlights.
Try to start the car.
If the headlights go dim or out, it's likely the battery.
It still could be a bad connection, but I think the lights would go dim before you tried to start things.
If they do go dim early, measure the battery voltage with the lights on.
If it's over 12, then it's leaning towards a connection problem, if it's under 12 it's the battery.

Another test.
Charge battery.
Turn on headlights
If they don't last 30 minutes, it's the battery.
FeedYourHead

User ID: 77416429
United States
08/11/2022 06:16 PM

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Re: Car Battery Question
I have a 2010 Hyundai Sante Fe.The other day, the car started fine several times and ran fine. Then it wouldn't start. It was pretty much dead.

Finally got a jump from a tow truck driver and it started right up and ran fine till I got home. I took the battery out, put it on my charger and after a few hours it was fully charged. Voltage was 12.8 volts and held a charge over night.

I cleaned the terminals and connectors with sand paper. Installed it back in the car and still wouldn't start. Tried jumping it with my wifes car and still just the lights coming on and some clicking.

Is it the battery not having enough amps or something else?
 Quoting: kdog82


It's DEAD...it might initially take a charge but it will NOT hold it...get a new battery...sheesh
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