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OT Mechanic help - battery / alternator

Posted on 1/6/19 at 3:26 pm
Posted by Tigers0891
Baton Rouge
Member since Aug 2017
7196 posts
Posted on 1/6/19 at 3:26 pm
My car was completely dead. I had nothing with a key turn.

Got someone to come to my house and get a jump. At first try , turning the key got the normal reaction. Lights in the car as well as the chiming and gauge activity. Attempted to crank and very weak activity. Went back after a few more minutes. All cables still connected and back to absolute zero power.

Possible that the entire battery is dead but would the alternator be compromised too? I know very little about cars. Thanks
Posted by johnnydrama
Possibly Trashy
Member since Feb 2010
9205 posts
Posted on 1/6/19 at 3:28 pm to
Year, make, and model of vehicle?
Posted by soccerfüt
Location: A Series of Tubes
Member since May 2013
76135 posts
Posted on 1/6/19 at 3:32 pm to
You-
Call your boyfriend.

As a heterosexual man-
I’d have considered how old the battery was, checked the connections, etc.
Posted by beerJeep
Louisiana
Member since Nov 2016
39215 posts
Posted on 1/6/19 at 3:33 pm to
Ask your dad
Posted by Lester Earl
3rd Ward
Member since Nov 2003
291628 posts
Posted on 1/6/19 at 3:34 pm to
Remove your battery & take it to auto zone. They will test it for free
Posted by DLauw
SWLA
Member since Sep 2011
6195 posts
Posted on 1/6/19 at 3:35 pm to
Alternator has nothing to do with cranking. How old is the battery?
Posted by 777Tiger
Member since Mar 2011
93541 posts
Posted on 1/6/19 at 3:35 pm to
Pics of car, battery, alternator, wife, and girlfriend
Posted by SECdragonmaster
Order of the Dragons
Member since Dec 2013
17457 posts
Posted on 1/6/19 at 3:40 pm to
Was it giving you problems the last time you drove it?

If the alternator was going bad, the battery would have been acting sluggish earlier.

What type of battery is it?

AGM?
Lead? If so, it may be low on distilled water.
Lithium?

Posted by Spankum
The Sip
Member since Jan 2007
63272 posts
Posted on 1/6/19 at 3:48 pm to
relatively new cars do some damn strange shite when the battery is dead...I would say 90% chance that a bad battery is your problem. Based on what you have said, I herd nothing to lead me to believe that alternator is an issue.
Posted by LSUtigerME
Walker, LA
Member since Oct 2012
3963 posts
Posted on 1/6/19 at 3:53 pm to
Very likely it’s the battery. I always use the windshield wipers as a quick gauge, you’ll see them moved very slowly if the battery.

Hook up the jumper cables properly, and let it sit for a couple minutes. When trying to start the dead vehicle, make sure you hold the revs of the running vehicle around 1500 rpm or so. This increases the voltage and should supply sufficient voltage/amps to start the dead vehicle.
Posted by WhiskeyTangoFoxtrot
in the transfer portal
Member since Dec 2009
2538 posts
Posted on 1/6/19 at 4:02 pm to
quote:

Pics of car, battery, alternator, wife, and girlfriend


This or pics of you in your cutest outfit would likely aid us in diagnosing your vehicle's starting system issues.

Remember...we're here to help!
Posted by cubsfan5150
NWA
Member since Nov 2007
18924 posts
Posted on 1/6/19 at 4:56 pm to
quote:

If the alternator was going bad, the battery would have been acting sluggish earlier.


Not necessarily true... Mine was acting fine one start, then got a battery light my next start... Changed the brushes on my alternator and fixed the issue, but never had any performance issues.
Posted by Tigers0891
Baton Rouge
Member since Aug 2017
7196 posts
Posted on 1/6/19 at 4:57 pm to
Was simply a dead battery. It was new so when I had not even trace power when hooked up enough for gauges that something else was wrong. Battery replacement was all it needed. Thanks for those who replied.
Posted by jmarto1
Houma, LA/ Las Vegas, NV
Member since Mar 2008
39216 posts
Posted on 1/6/19 at 5:23 pm to
Replace the battery if omit is old. Check the terminal connections for corrosion
Posted by Spankum
The Sip
Member since Jan 2007
63272 posts
Posted on 1/6/19 at 5:48 pm to
quote:

Was simply a dead battery. It was new so when I had not even trace power when hooked up enough for gauges that something else was wrong. Battery replacement was all it needed. Thanks for those who replied.


glad to hear that...I learned never to assume that a battery is good...I have had them go bad within an hour of installation.
Posted by arcalades
USA
Member since Feb 2014
19276 posts
Posted on 1/6/19 at 6:07 pm to
quote:

Was simply a dead battery. It was new so when I had not even trace power when hooked up enough for gauges that something else was wrong. Battery replacement was all it needed. Thanks for
that's if the alternator is good.
Posted by GetmorewithLes
UK Basketball Fan
Member since Jan 2011
23366 posts
Posted on 1/6/19 at 7:37 pm to
quote:

I know very little about cars.


ManCard: Issued [Revoked]
Posted by Skorzany
Member since Dec 2018
356 posts
Posted on 1/6/19 at 8:32 pm to
Didn’t your dad or whoever your mom was fricking when you were growing up teach you anything other than how to put on a dress? Because apparently that’s the only thing he or they did teach you. Your man meter is negative son.
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