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#1
07-25-2005, 10:52 AM
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Altenator Voltage Drop
I have a new Altenator in a 99 Blazer and when first started the Voltage guage goes right to 15 Volts. After the car gets hot the voltage guage goes to 14 or a hair below it. When starting it with the engine hot the voltage guage moves up much slower and takes a few more seconds to get up to the reading.
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#3
07-25-2005, 05:31 PM
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Re: Altenator Voltage Drop
This is normal. The voltage will drop as the alternator warm up and looses a little efficiency.
__________________
1995 Factory Blazer Service Manual for sale, PM if interested.
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#4
07-25-2005, 05:32 PM
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Re: Altenator Voltage Drop
This is normal. The voltage will drop as the alternator warms up and looses a little efficiency.
__________________
1995 Factory Blazer Service Manual for sale, PM if interested.
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As long as you do not get a "Battery" light, your charging system is functional.
