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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Stock alternator output?

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Old Apr 24, 2007 | 09:40 AM
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TWULFF44
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Stock alternator output?

Can anyone tell me what the stock amperage output on an alternator for a 1986 F250 4x4. 5.0L 302 EFI is? Thanks for any input
 
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Old Apr 24, 2007 | 03:21 PM
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If your alt has two electrical plug-ins, the it's probably a 65 amp. If it has one plug-in, the it's probably 70 amps.
 
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Old Apr 24, 2007 | 04:49 PM
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It has two electrical plug ins. Is there any other way to check if it is the 65 amp? Was that the only amperage offered for that alt with two plug ins? And is there somewhere I can get a larger output alt that will plug right in? Thanks for the replys
 
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Old Apr 24, 2007 | 04:56 PM
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The searchable 3G swap is a popular upgrade. Basicly plug and play, but you need a beefier harness too.

Adrianspeeder
 
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Old Apr 26, 2007 | 06:05 PM
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Anywhere specific with good prices? how much work is invovled in changing the harness, and that is both plugs being changed? Harness sold where also? Thanks
 
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Old Apr 26, 2007 | 06:45 PM
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Not sure about your truck - I had my '75 stock rebuilt to 90 amps. Took less $ than a replacement. The electricial took about 30 minutes from removal to installation ( with an appointment )
 
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