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Discussion Starter #1
So I think my Auto Zone alternators aren't powerful enough for the car.

So after my second alternator I got a refund and bought a 110 volt alternator for the car.

Do I need to charge the battery before hooking it up? The battery is a bit run down from the previous alternator failing.
 

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Thanks!


It's at about 11.7 right now but better safe than sorry you know?
Yep thats pretty dead..12.0 is 25%,12.2,50%,,12.4 ,75%,,12.6,is fully charged..That would be like cranking your car up and running it wide open,,I would def charge the battery a bit,,I had some problems with their alternators too,,and it was a new one not reman
 

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Discussion Starter #5
Another question.


Does it matter if the battery is hooked up to the car or can it be charged by itself?
 

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I had my alternator go out on me yesterday on my way to work, the abs light kicked on when I hit the brakes and lights got dim, then the theft light came on and when I pulled into my parking spot at work it died, probably best and worst luck lol, but I got autozone's 110 amp alternator and it works fine $151 :D
 

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The last alternator I purchased actually had it on a sticker, on the alternator, to make sure the battery is fully charged before operating the car. Maybe there is a break-in period for the alternator where it needs ~12.6V to operate properly.:confused:
 

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Discussion Starter #13
The battery is very new. I'm just charging it because the old alternator drained it for a little while.

Another question.

When I crank the car with the new alternator and charged battery, how long should it run the first time?

Just crank and shut it off or take it around a bit?

What's the protocol here?
 

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Lorraine's driver
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The battery is very new. I'm just charging it because the old alternator drained it for a little while.

Another question.

When I crank the car with the new alternator and charged battery, how long should it run the first time?

Just crank and shut it off or take it around a bit?

What's the protocol here?
If your battery if fully charged, I don't think I've ever heard of anything other than just carry on with your normal activities. :good:
 

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Discussion Starter #15
I just got it off the charger and its a little warm.


Is it ok to hook up and run now or should I wait?
 

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i had to replace my battery and alternator at the same time a couple months ago...luckily i work for a parts house so i just did it in the parking lot on my break
 

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Discussion Starter #18
Well I cranked it up and everything seems fine. To be sure I'm going to take it back and get everything tested again to be sure.

You'd think changing a battery and alternator wouldn't be such a big deal.

However, this is the third alternator and third battery in a little over a month (counting the original) so I needed to be a little more certain that I was doing everything right.
 

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Lorraine's driver
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Well I cranked it up and everything seems fine. To be sure I'm going to take it back and get everything tested again to be sure.

You'd think changing a battery and alternator wouldn't be such a big deal.

However, this is the third alternator and third battery in a little over a month (counting the original) so I needed to be a little more certain that I was doing everything right.
You should be looking at reasons for this to happen because that is not normal. You should check your wiring to the alternator and battery, as well as the ground locations. If you are taking it to a mechanic, I would ask that they look into this.
 

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Discussion Starter #20
Well that's my next step I suppose. I took it to work today and stopped on my way home to get the battery and alternator tested.

It wouldn't even crank for the test.

All I know is there is no short. But apparently there is some sort of drain on the system.
 
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