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Old 09-02-2014, 09:58 PM   #1
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Dead 2007 JK

Hey all,
Kind of concerned right now. Just took my jeep in to the mechanic to check out the starter because it's been clicking when attempting to start in the past. Mechanic said that nothing was wrong with the starter itself and he started it up many times with no problem (he tightened the battery clamps). However after driving it home it turned off and back on while shifting and once home the jeep did not have any power at all. When attempting to turn on the lights don't even come on. The power locks don't even work. Tried jumping the battery with no luck. Thank you so much in advance.

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Old 09-02-2014, 11:09 PM   #2
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Maybe you just need a new battery? You would be amazed at how much a fresh battery will do rather than a really old one.

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Old 09-03-2014, 05:43 AM   #3
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Maybe you just need a new battery? You would be amazed at how much a fresh battery will do rather than a really old one.
Thank you for your quick response. I thought that might be it too. But the battery is fully charged, and nothing at all works. Not even the power locks.
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Old 09-03-2014, 08:12 AM   #4
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That's so weird man! I don't know what to tell you. If the battery is full then it would only seem logical that the problem is in the electrical wiring.
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Old 09-03-2014, 08:27 AM   #5
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Take a voltmeter to the batt. I have no idea why the damn jeep doesn't already have one.

If the battery has plenty of voltage, then the problem might be the wiring going to the starter. If the wiring to the starter is fine, the battery is fine, and the terminals are tight, then the issue lies in the main engine harness. There have been a couple threads here with people who have had either shorts in the harness, or faulty grounds from the factory.

If the starter is clicking, then my suspicion is the battery doesn't have enough juice to turn the engine over. So either it is dead, or it is not the correct battery and doesn't have enough amperage.
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Old 09-03-2014, 08:42 AM   #6
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Could it also be just bad battery cables? OP said they were tightened. Maybe they are not good and something is making them loosen? Maybe the terminals needs to be cleaned to assure good contact?

Just some ideas...
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Old 09-03-2014, 08:57 AM   #7
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Even new batteries can be bad. Also check fuses.
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Old 09-03-2014, 09:21 AM   #8
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one thing that hasnt been mentioned yet, but its happened to me in my old chevy... the battery terminal wires themselves corroded inside the shrink wrapping.. had to replace not just the terminals but the whole lead wires..
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Old 09-03-2014, 10:36 AM   #9
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If it's not the battery it's the terminals, if it's not the terminals, it's the connection, if it's not the connection it's the wires, if it's not the wires it's the starter, if it's not the starter it's the connection.
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Old 09-03-2014, 01:07 PM   #10
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If it's not the battery it's the terminals, if it's not the terminals, it's the connection, if it's not the connection it's the wires, if it's not the wires it's the starter, if it's not the starter it's the connection.
Think its the connection. Tightened the clamps (i guess they weren't on too tight) and the remote lock started working. Brushed the terminals w a wire brush and tightened. Now I'm charging the battery for a few hours and we'll see what happens. Thanks for all the suggestions/help guys. I really appreciate it. Will keep you posted.
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Old 09-03-2014, 01:24 PM   #11
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Check the ground connection to the chassis.
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Old 09-03-2014, 03:33 PM   #12
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Think its the connection. Tightened the clamps (i guess they weren't on too tight) and the remote lock started working. Brushed the terminals w a wire brush and tightened. Now I'm charging the battery for a few hours and we'll see what happens. Thanks for all the suggestions/help guys. I really appreciate it. Will keep you posted.
a lot, a lot of weird electrical gremlins are caused by loose terminals and corroded posts.
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Old 09-04-2014, 01:19 PM   #13
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a lot, a lot of weird electrical gremlins are caused by loose terminals and corroded posts.
End issue, sanded the entire ground connector to the terminal and tightened. Coated the terminals with anticorrosion fluid. Battery was fine. Starts right up now. Thanks again for all of the comments.
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Old 09-04-2014, 05:51 PM   #14
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Glad we could help! Don't be a stranger.

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