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Unread 02-22-2013, 07:51 AM   #1
xraypat23
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2008 JK Wrangler 
 
Join Date: Aug 2012
Location: wading river, new york
Posts: 232
battery light came on this morning?

So my battery light came on this morning. Truck started without hesitation, and drives and runs fine. Any clue what I need to do? Drop in a new battery? is it covered under my extended warranty?

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Unread 02-22-2013, 07:59 AM   #2
ronjenx
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2008 JK Wrangler 
 
Join Date: Jan 2009
Location: Maine
Posts: 3,968
Quote:
Originally Posted by xraypat23 View Post
So my battery light came on this morning. Truck started without hesitation, and drives and runs fine. Any clue what I need to do? Drop in a new battery? is it covered under my extended warranty?
The light indicates a charging system problem, or a low battery.

Is your battery the original one? If so, you are lucky to have had it this long.

Put a volt meter on the battery with the ignition off. It should be around 12.6 volts if it's been off for a while.

Put a volt meter on the battery with the engine running. It should be around 14 volts.

Then, have a load test done on the battery.
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battery issue , charging system , indicator light

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