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Old 01-30-2013, 11:46 AM   #1
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Battery issue?

So drove the jeep about two miles to the dog park. No issues, drove home, no issues. Leaving for work and it dies. And I mean dead. Put the key in and turn it all the way and nothing. No gauges at all. Head lights work. Waited about 5 mins and it starts no issue at all. Driving to work I notice the battery gauge is all the way maxed. I hit a red light and it drops to normal. Drive the rest of the way and its fine till I down shift to 3rd and it spikes again. Park it and turn it off and it's dead again. Ideas??

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Old 01-30-2013, 12:34 PM   #2
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You might want to get the alternator checked. Also check that all of your terminals are clean and tight.

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Old 01-30-2013, 02:45 PM   #3
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So went out and checked it again. Still dead. Hit lights and blinkers all worked then I could start it no issue.



Attachment 203704



Attachment 203706

And sadly I have no idea how to clean them if they are indeed the issue.
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Old 01-30-2013, 02:47 PM   #4
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Could be quite a few different things. I'd check the terminal points and make sure they are tight and not corroded. Have AutoZone or someone test your battery and alternator (free), voltage regulator, and with your battery needle fluctuating between under power and idle at the stop light I'd almost be willing to check your belt.
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Old 01-30-2013, 02:55 PM   #5
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As I posted noticed you updated with pictures. That's some good corrosion going on there.

To clean a terminal isn't that hard. They sell battery terminal brushes that will do it and some sprays that will break it down and clean, but if you don't want to spend money you can use a toothbrush, baking soda and water.

A good instruction set I've followed:
  • Remove the ground connection first by removing the negative (-) terminal from the post (note: older vehicles may have a positive ground)
  • Remove the positive (+) terminal from the post
  • Scrub any corrosion off the terminals, cables and posts using a stiff brush
  • For tough buildup, use a solution of baking soda and water, taking special care that none gets inside the battery
  • Dry it off with clean cloth
  • Reconnect the terminals in the reverse order from which you removed them, positive (+) first, then negative (-)
  • Double-check to make sure the connections are tight and secure
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Old 01-30-2013, 03:21 PM   #6
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Lol. Just what I need on a day I work a double.
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Old 01-30-2013, 05:07 PM   #7
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May just be the picture, but the negative terminal does not look very tight on the post. Grab both of your battery connections and try to twist them, if you can move they are not tight.
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Old 01-30-2013, 05:23 PM   #8
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Some people poor coke on the terminals, I use baking soda and water.
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Old 01-30-2013, 05:25 PM   #9
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Sorry didn't read the above post.
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Old 01-30-2013, 05:36 PM   #10
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Quote:
Originally Posted by Tshields
May just be the picture, but the negative terminal does not look very tight on the post. Grab both of your battery connections and try to twist them, if you can move they are not tight.
Just did that and no movement at all.

Also started it up just fine. Let it sit for a few mins with no issue. Turned it off then back on five mins later with no issue.

So it seems to be related to whatever caused the battery gauge to spike while I'm driving.

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