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Repair guides and support for the first generation Grand Cherokee ZJ, an upscale mid-size SUV built by Chrysler's Jeep division.

41 Questions View all

Why is battery over charging but not all the time

95 jeep battery is usally12, it has been up to 14 but never the same

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Chosen Solution

When your engine is running the battery voltage should sit around 14 volts if your alternator is working correctly. When the engine is not running your battery voltage will drop back down to roughly 12.6 volts. What you described sounds like normal operation unless your voltage is ever out of that 12-14V range. Hope this put your mind at ease!

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Thank you for your quick response, Travis. I appreciate it & you


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Purple Queen 1 will be eternally grateful.
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