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Originally Posted by rodeo02
Taking an inline voltage reading like that doesn't mean much. Measuing a current (amps) means something is pulling on the battery. This could be just a weak/bad battery or an alternator that is not maintaining a charge. If you are not seeing ~14VDC across the battery terminals on an idling truck, something is up with either the battery or alternator.
Joel
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OK I started up the thing, and at idle with a meter across the terminals the reading was +14.67v.
While it was running I also pulled the positive cable off the battery and the thing kept running without a problem.