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2000 Jeep Grand Cherokee, 4.0L Starting issue after sitting for a month
03-21-2012, 12:24 PM (This post was last modified: 03-21-2012 01:53 PM by CLAKES.)
Post: #1
Cool 2000 Jeep Grand Cherokee, 4.0L Starting issue after sitting for a month
I have a 2000 Grand Cherokee that has been kept in the garage and not driven in a month. When I went to start it, I heard nothing but clicks and the gauges moved all the way to the right and back again. The vehicle had started perfectly before this. I checked the battery and found the cables/posts extremely corroded. The battery is 1 year old. I cleaned the cables/posts and gave the battery a 1/2 hour charge. Still the same result. The dome lights and headlights are dim. The turn signals come on but the radio and wiper/blower motors do not.
Occasionally, the warning chimes come on even though the key is not in the ignition and the lights are off.
Thanks for your help.
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03-21-2012, 10:31 PM
Post: #2
RE: 2000 Jeep Grand Cherokee, 4.0L Starting issue after sitting for a month
Remove the battery cables, clean them and the battery terminals till everything shines, then charge the battery over night. At that point try starting it and have a volt meter handy to diagnose it properly if it fails to start.

What I an driving at is it's impossible to do a proper diagnoses of anything electrical till you know the battery is up to snuff. A half hour with a typical "portable" charger is not enough to even venture a guess. Over night may not be enough either but will help us know if the battery can be salvaged. If it's been low for too long that may also be an issue.
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