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06-30-2005 04:01 PM #3
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- Apr 2004
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- Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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Brian,
Most of the fan kits come with 30 amp fuses. MY CCI fan reccomends a 30. Is there a chance of a short somewhere?
Putting an ammeter in line with the fan lead would be the perfect way to see if you have a heavy draw. Not a mad scientist method at all.
When the key is off, you're reading the battery 12V directly. When the engine is running, the alternator joins the mix. The output of the alternator is higher than 12v.
The increased alternator load when the fan kicks on is an indication that the fan may be a problem - although, as I remember, electric motors draw the most current when they first start up, then the load levels out when the motor comes up to operating RPM.Last edited by Henry Rifle; 06-30-2005 at 04:07 PM.
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