1996 Chevy Blazer voltage gauge fluctuating?

1996 CHEVROLET BLAZER
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DPARKS
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Electrical problem
1996 Chevy Blazer 6 cyl Two Wheel Drive Automatic
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the voltage gauge in dash of my 1996 chevrolet blazer is fluctuating from 13.5 volts (driving or 2000+ rpm) to 10-11ish volts (sitting in park or at a red light)?

I have replaced the battery and alternator within the last 2 weeks. anyone know what the problem could be? any help would be much appreciated and needed. thanks.
Jul 10, 2008 at 12:41 PM
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RHALL77
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check your battery connections and the connections on the alternator. use a multi meter and see what the reading is at the battery when the problem occurs
Jul 11, 2008 at 7:15 AM