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Jeep Wrangler JK
JK General Discussion
Dead JK after being parked for a few weeks
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<blockquote data-quote="Vman" data-source="post: 444107" data-attributes="member: 22091"><p>Does he have two batteries installed?</p><p></p><p>If so, you have the main cranking battery and the booster battery. If the main battery is bad there's a button you can use to jump start it from the booster battery. If the booster battery goes bad the isolator is supposed to separate the two to prevent the draining of the cranking battery.</p><p></p><p>If the cranking battery went bad and can't be charged by the booster that might explain it. Did he disconnect the system and check both batteries? </p><p></p><p>Genesis has a really good site that explains what to test, how to jump start it, how to test it, etc. Let me see if I can find a link.</p><p></p><p>Here it is:</p><p></p><p>[URL unfurl="true"]https://www.genesisoffroad.com/FAQ_ep_43-1.html[/URL]</p></blockquote><p></p>
[QUOTE="Vman, post: 444107, member: 22091"] Does he have two batteries installed? If so, you have the main cranking battery and the booster battery. If the main battery is bad there's a button you can use to jump start it from the booster battery. If the booster battery goes bad the isolator is supposed to separate the two to prevent the draining of the cranking battery. If the cranking battery went bad and can't be charged by the booster that might explain it. Did he disconnect the system and check both batteries? Genesis has a really good site that explains what to test, how to jump start it, how to test it, etc. Let me see if I can find a link. Here it is: [URL unfurl="true"]https://www.genesisoffroad.com/FAQ_ep_43-1.html[/URL] [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Dead JK after being parked for a few weeks
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