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Jeep Wrangler JK
JK General Discussion
JK charging issue
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<blockquote data-quote="Motorcyclefanatic" data-source="post: 428437" data-attributes="member: 19479"><p>The battery light on my 2016 JK started coming on intermittently, so did some investigation with the VOM.</p><p></p><p>At idle and running up to about 3k rpms I get about 13vdc at the battery, sometimes dropping to as low as 12.8. I measure a solid 14.2 at the alternator at idle.</p><p></p><p>That leads me to believe the problem must be with the voltage-regulator, which I understand is located in the PCM on these vehicles.</p><p></p><p>Looking for a consensus before buying parts.</p></blockquote><p></p>
[QUOTE="Motorcyclefanatic, post: 428437, member: 19479"] The battery light on my 2016 JK started coming on intermittently, so did some investigation with the VOM. At idle and running up to about 3k rpms I get about 13vdc at the battery, sometimes dropping to as low as 12.8. I measure a solid 14.2 at the alternator at idle. That leads me to believe the problem must be with the voltage-regulator, which I understand is located in the PCM on these vehicles. Looking for a consensus before buying parts. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
JK charging issue
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