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Bad voltage regulator. Replace it. Should be built in the altenator. Or just replace the altenator. Make sure you're battery is disconnected first. Also connect battery back up after you mount new altenator. Note not knowing year of van some older cars have a external voltage regulater. Which means it will be mounted someware on the firewall or inner fenderwall not in the altenator. Make sure you disconnect battery before working on any electrical. This is importent on voltage regulaters. Because they require to be pollerized. Also check battery high voltage will cook a battery.It over charges it.

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โˆ™ 2004-09-18 00:02:02
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Q: Why would a Dodge Caravan show high voltage?
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