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If the headlights are on, the voltage will be ...
Posted by jj (more from jj) on Mon, 28 Jul 2003 10:27:50
In Reply to: EDU showing fluctuating/low voltage , sign of what ?, Peter
[Profile/Gallery]
, Mon, 28 Jul 2003 07:47:30
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around 13.5 volts. It should jump up to 14 v without the lights on.
What you may be seeing is the voltage regulator working.
After you first start up the regulator allows the alterrnator voltage to
be higher to charge the battery. As the battery builds up charge
the regulator will drop back the voltage so the battery will not overcharge.
The voltage variations at idle maybe caused by the cooling fan cycling.
As Jim said, as long as it is above 12 to 12.5 volts, the battery is charging.
I would not be too concerned about making a trip with these symptoms.
jj
'95 Aero
'95 CS
posted by 192.80.95...
Posts in this Thread:
- EDU showing fluctuating/low voltage , sign of what ?, Peter
, Mon, 28 Jul 2003 07:47:30- Re: EDU showing fluctuating/low voltage , sign of what ?, Dave C ('93 Aero), Mon, 28 Jul 2003 15:46:01
- The bane of too much information, Ari
, Mon, 28 Jul 2003 13:15:26 - Measure the voltage at the battery terminals, MarkusJ, Mon, 28 Jul 2003 11:25:46
- If the headlights are on, the voltage will be ..., jj, Mon, 28 Jul 2003 10:27:50 <-- Viewing This Message
- If the headlights are on, the voltage will be ..., jj, Mon, 28 Jul 2003 10:21:04
- Re: EDU showing fluctuating/low voltage , sign of what ?, Ralph, Mon, 28 Jul 2003 10:11:39
- Re: EDU showing fluctuating/low voltage , sign of what ?, jim kane, Mon, 28 Jul 2003 09:07:50
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