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Voltage Spikes

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Old 06-14-2006, 11:38 PM
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Voltage Spikes

I was driving 2000 Ram with the Cummins Diesel down the road when the Check Gauges Light came on the dash. When I looked my voltage was at 18 volts. I shut the truck off and waited for a few minutes. When I restarted the truck it seemed to be ok. I few minutes later it did it again. I was wondering if the voltage regulator is in the Altenator or is it in the PCM?
Old 06-15-2006, 07:39 AM
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It is in the pcm.
Old 06-15-2006, 01:59 PM
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Thanks,

I was afraid of that!
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