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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 07-31-2014, 07:48 PM   #1
bebermexico
 
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Default electric fan problem'o

i have an electric fan on my stang and the battery light keeps coming on.... i change the battery but now am wondering if i need a high output as far as alternator would an 80 amp do the trick???? or is 130amp the answer?
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Old 07-31-2014, 08:52 PM   #2
mjr46
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have the alt tested.....if batt light is on alt most likely is dead
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Old 08-05-2014, 08:27 PM   #3
bebermexico
 
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no already checked before i posted this my electric fan is killing my alternator
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Old 08-06-2014, 08:48 AM   #4
88 orangepeel notch
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Originally Posted by bebermexico View Post
no already checked before i posted this my electric fan is killing my alternator
Is this a statement or a question?

Without proper punctuation, it's hard to understand.

An electric fan puts a pretty big load on your charging system when they first start up, but even a stock alt. should be able to handle it. Once the fans on, it draws a lot less power. But your saying your Alt. Light is on whenever the fan is on? And your battery and Alt. tested good?
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Old 08-17-2014, 06:50 AM   #5
robotnix
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go with a 3G (130) if you change alt. a bit more work but worth it.
I do have an electric fan as well and have no issues at all.
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Old 08-17-2014, 06:50 AM
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