bad battery,alternator,starter..nope there good -

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post #1 of 5 Old 11-13-2011, 01:00 AM Thread Starter
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1998 ZJ 
Join Date: Nov 2007
Location: shreveport
Posts: 141
bad battery,alternator,starter..nope there good

My 98 Grand is getting next to impossible to start. I've had the battery check at autozone and advanced and oriely. One says its palce says its good...same day.And the same with my started and alt.One place the battery is bad. another batt is good, its the starter. And it changes anytime I have anything the last 3 days I HAVE to get a jumpstart to get it running.BUT even then the battery shows good ( by my friends multimeter).Anyone have any ideas?Its getting expensive to keep it running all the time!!

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post #2 of 5 Old 11-13-2011, 04:55 AM
coralman's Avatar
1998 ZJ 
Join Date: Jul 2010
Location: florida
Posts: 7,467
What kind of battery? What is voltage reading at battery with jeep off? What is voltage reading with at battery with jeep running? You could have a parasitic drain somewhere.
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post #3 of 5 Old 11-13-2011, 05:12 AM
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2004 WJ 
Join Date: Mar 2011
Location: Oslo
Posts: 7,975
First of all, you can NOT diagnose a battery by messure voltage, that doesnt say **** about how much amps it can hold, you Will have to have a load test done to see if its good.

You can messure the voltage on your battery while engine running to see if alternator works, should read 13.5-14.4V if it fine.

If battery and alternator check out good, its your starter, but you say you can jump it and it starts with no problem., then its not the starter.

So i hold my bet on alt or battery, Get it running and check if alternator works, if so , its def your battery.....

Good luck!

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post #4 of 5 Old 11-13-2011, 09:59 AM Thread Starter
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1998 ZJ 
Join Date: Nov 2007
Location: shreveport
Posts: 141
Well I put in a new battery after autozone said mine was shot....turn the click click. nothing had raido lights but wouldnt start.then the guy tested the old battery on the counter and said it was fine now..he even looked confused.THe alt tests good one time..5 mins later same place they test it and its bad...then they load test the battery again and say it bad...all this was at autozone over the course of 20 mins. and ive had the same results at advanced and oriely...but hte guy there said buy a new batt starter and alt "just to eleminate those as a problem" sure...if I had 600 bucks!
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post #5 of 5 Old 11-26-2011, 12:45 PM Thread Starter
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1998 ZJ 
Join Date: Nov 2007
Location: shreveport
Posts: 141
Just to update...It WAS the would intermittently work but never showed any problem when I pulled it to test it?? Crazy dang jeep!!
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