Thread: Silverado Alternator not putting out proper volts - Already changed the alternator...
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Old 02-19-2010, 10:33 PM
someday31 someday31 is offline
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Re: Silverado Alternator not putting out proper volts - Already changed the alternato
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Originally Posted by consultIII View Post
readings taken 1 min after start up, engine idling, no load other than dtrl on and fan blower fan at speed 1.

14.8v 43amps

what are your numbers?

Thanks...my volts use to be 14.77....now are 14.05-14.10 and amps are around 40-45 at idle, but that is with the larger 150 amp alternator so should be higher than your stock 105 if that is what you have? I just checked another silverado around here today, got 14.78volts and about 58amps at idle!
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