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Old Feb 12, 2008 | 04:51 PM
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12V generator questions

just curious if anyone in here has any experience with 12V generators. NOT alternators, lol. I got a free one from my uncle in law and its from a non ford, but was free. I transferred pulley and fins and hooked it up, but all my experience is with alternators and they put in more juice that the truck uses. Right now my generator puts in the 11.60V while running but every 30 sec or so it drops by .01V. When i put the throttle on it jumps back to 11.60/11.61V until I let off and then its back to where it was before i throttled up. Is this normal for generators? I figured it should be like an alternator and put in more than is used. I might have to take it to Karam and get it checked.
 
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Old Feb 12, 2008 | 05:46 PM
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My dad would know, but that sounds pretty damn normal.
 
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Old Feb 12, 2008 | 06:21 PM
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You need at least 13V to charge a battery regardless if it's a generator or alternator. Sounds like it's just running directly off the battery.


Here's a little tidbit about battery's:
12.6V - fully charged
12.4 - 12.5V - 75% charge
12.2 - 12.3V - 50% charge
12.0 - 12.1 - 25% charge
 
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Old Feb 12, 2008 | 06:45 PM
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ya thats what im thinking too
 
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Old Feb 12, 2008 | 07:00 PM
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a generator is going to put out (generate) more when sped up... its the idea of a generator... i spose it'd be the same principal in a vehicle.
 
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Old Feb 12, 2008 | 08:47 PM
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I wouldn't go to Karam. I got bad deals from them and they taken me. I deal with Labelles. He is fair and up front and they do good quality work. At decent prices too. I have had no problems with them. Karam did my starter on my Bobcat years ago and charged me over $500 with trade in. It never worked right and by the time I went to take it back warrenty gone on it. I went to labelles andthey took it apart and found it was never rebuilt inside.The outside was sandblasted and repainted. I heard from other that encountered the same problems from them. So I avoid them and warn others the same.
I know one of our trusted FTE persons also uses Labelles.
 
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Old Feb 12, 2008 | 09:08 PM
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I dad always used Labelles for the starters and alternators on the tractors.
 
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Old Feb 12, 2008 | 09:17 PM
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well i guess il go there tomorow and bring both gens and see what he has to say. I might try and convert my 6v one to 12 since its less costimizing and its smaller than the chevy 12v i got for nothing
 
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Old Feb 12, 2008 | 09:18 PM
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I deal with Labelles often and I`m always satisfied with their service and prices.
 
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Old Feb 12, 2008 | 10:20 PM
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Yours sounds normal but I suspect has a brushes to commutator problem.


Now you know how the "Disconnect battery cable and reconnect it with the engine running and problem with alternators" came from

Generators sometimes need "Exciting" to get them to charge properly

Generators were done away with because of the way they produce electricty
 
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Old Feb 12, 2008 | 10:59 PM
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Originally Posted by Mil1ion
Now you know how the "Disconnect battery cable and reconnect it with the engine running and problem with alternators" came from
I have to shake my head at people that recommend that test for alternators. That is like the worst thing you can do an alternator. I could go into a whole bunch of electrical theory but this isn't the thread or time (bed time )
 
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Old Feb 13, 2008 | 04:30 PM
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i started a new thread about my generator escapades today

https://www.ford-trucks.com/forums/707457-thanks.html
 
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