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99 Wrangler Won't Start


 
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chrissn2001
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Joined: 24 Jan 2007

PostPosted: Wed Jan 24, 2007 8:59 am    Post subject: 99 Wrangler Won't Start Reply with quote

My Jeep sat for 2 days in the cold and yesterday morning, it wouldn't start. I tried jumping it, but nothing. I went and bought a new battery, and still nothing. With the new battery, it cranks for a bit, then dies and then begins making the clicking noise. With a jump, it will turn over, but never commit to the start. I know the obvious things are starter or alternator, but am not sure which. What do you think?
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JLS
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Joined: 10 Jul 2006

PostPosted: Wed Jan 24, 2007 10:44 am    Post subject: Reply with quote

starter would be my guess, check the voltage of the battery before you jump it, run it for a while shut it off and check the voltage again?

You could also check the output of the alternator while it is running?

As far as checking the starter, I really do not know.

Maybe that helps
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kaos
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Joined: 10 Jan 2006
Location: Iceland

PostPosted: Wed Jan 24, 2007 12:10 pm    Post subject: Reply with quote

Of the two, the starter is much more likely. The state of the alternator is irrelevant until the engine is running. Then it should both restore the energy lost to starting, and provide power for the car's electricals.

However, there are other possibilities. Have you checked the state of all relevant connections? Battery, starter relay, starter, ground connections for both the battery and engine, etc. If any of these are bad, they could produce the exact symptoms your'e describing. So could a bad starter, but the connections are easier and cheaper to check first.

HTH,
--
Kári in Iceland
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ehirner
Moderator
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Joined: 01 Jan 2004
Location: Eastern PA

PostPosted: Sat Jan 27, 2007 10:38 am    Post subject: Reply with quote

Remove and clean the battery terminals with a battery terminal brush. Reinstall then give it a whirl.
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