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Old 03-08-2010, 01:39 PM   #2
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,261
Quote:
Originally Posted by mptoledo
I have searched and read all the results on the subject. I just need a little more input.

Went to start my car after the winter sit. Got a new battery as my 7 year old one wouldn't start the car. It is 50ish outdoors. I installed the brand new batter from wallyworld. It is their best gold series. Had some trouble starting it and got an arc when connecting the cables.


2001 boxster "s" 62k miles. Ran perfect before winter.
1.) Battery light stays on
2.) stereo won't turn on(aftermarket jvc).
3.) oil check thing doesn't work, it just blinks
4.) Car stops the second you take off the negative terminal.
5.) Checked all fuses and replaced abs/asr/psm control unit as it had blown

I ran the car around the block for a couple miles gently but spirited once it warmed up. Every thing seemed as usual and no other issues, except the above.

I think I blew my alternator out but is there another way to check or does someone else have an idea?
Get a multi meter, check the battery voltage with the car off; should be 12.5 V or so. Start the car, check it again; should be ~14.5V. If it passes both these test, your battery and alternator are fine, you have shorted out something else. If it fails either test (low car off voltage can be a battery issue, less than ~14.5V running and your alternator is bad), you need to fix these issues before determining what else is wrong..............
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