07-24-2005, 10:12 PM
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CC Member
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Join Date: Oct 2003
Location: Newton Centre, Massachusetts,
Posts: 6
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Not Ranked
High amp draw when radiator fans are on
I am running two 37 amp radiator fans. When the fans kick in, my ammeter goes from -0- to 45 amps and stays there at all speeds. Fortunately, I have a kill switch on the fans so I don't drain the battery when the car is turned off.
The alternator is a single wire unit, so there is no regulator.
Here's the question: Is the problem the alternator or the battery, or something else? At this time, I cannot tell you the rating on the alternator or battery. However, what should they be to handle the draw from the fans?
gsable
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