Voltage flucuation

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06-08-2007, 03:53 AM

#11

S2KPUDDYDAD

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Quote:

Originally Posted by AusS2000,Jun 8 2007, 04:26 AM

Just for the record, it's FLUCTUATION.

It is normal

my digital gauge reads between 12.9 and 14.3 volts

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06-08-2007, 06:19 AM

#12

JimmyB

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Yep what he said

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06-08-2007, 04:12 PM

#13

AusS2000

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Ummm, I was just correcting the spelling.

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06-08-2007, 04:34 PM

#14

jzz30

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06-09-2007, 04:00 AM

#15

S2KPUDDYDAD

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Quote:

Originally Posted by jzz30,Jun 8 2007, 07:34 PM

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06-13-2007, 05:51 AM

#16

snakeeater

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The alternator needs rpms to generate power. So you should see:

Engine off = battery only = ~12v
Low rpm = slight alt charge = ~12.5V
Mid/Hi rpm = full alt charge = 14.4V

The alternator has a voltage regulator that limits output at 14.4V so it won't overcharge the battery.