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Old Feb 1, 2011 | 04:22 PM
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From: North Cackalacky
Yes. Or you can just hook it up to one of the batteries.
 
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Old Feb 1, 2011 | 04:23 PM
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Originally Posted by roostercrows
Thanks Darrell, so to test the alt. I put the meter to the positive and negative on the on the alt.? My truck didn't come with the in dash voltmeter.
Voltage at either battery will tell ya what you need to know.
 
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Old Feb 1, 2011 | 04:24 PM
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Originally Posted by nissandoc
Yes. Or you can just hook it up to one of the batteries.
I
t y p e
s l o w...
 
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Old Feb 1, 2011 | 07:27 PM
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Ok, I checked the alt. wires and they all seem fine, the battery test I'm gonna have to wait until tomorrow, its too cold out.....
 
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Old Feb 1, 2011 | 07:50 PM
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From: North Cackalacky
Guess I should have clarified. Take voltage readings at idle with all loads off. Then turn loads on and check the readings again. You can also check the readings at 2k rpm's. If your readings dont change or are lower with a load, the alternator is toast.
 
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Old Feb 3, 2011 | 08:59 PM
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Ok, so I was able to test the voltage tonight and it is 17!!!!! I think that is burning out my batteries too! Does anyone know if the regulator is separate from the alt. or is it all in one?
 
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Old Feb 3, 2011 | 09:00 PM
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Also is there an upgrade alt. or should I just get the same as factory?
 
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Old Feb 3, 2011 | 09:25 PM
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All in one.
There are some higher amp alternators out there. Cant think of the name of them right now. Maybe someone will chime in.
 
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Old Feb 3, 2011 | 09:35 PM
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Originally Posted by roostercrows
Also is there an upgrade alt. or should I just get the same as factory?
One of the guys on here did a IIRC 160amp up grade It was F250_

Here's his thread = https://www.ford-trucks.com/forums/9...-and-pics.html
 
Last edited by Deluxe06; Feb 3, 2011 at 10:12 PM. Reason: more info
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