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Old Jun 10, 2006 | 11:23 AM
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backhoeken
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Question Electrical upgrade confusion

Have a 89 F250 7.3 with original electrical. Both the alternator and regulator are on their last leg (long story). Instead of just replacing with stock parts I would like to upgrade to a higher output alternator with internal regulator.

I have searched and read/reread the postings here and am now more confused than ever. There are a lot of salavage yards around so I can get parts there or via e-bay.

Can someone point to a specific model\year that has a high output 3G setup that would {for the most part) bolt in. I understand I might have to trim the bracket.

Thanks
Ken
 
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Old Jun 11, 2006 | 06:15 AM
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From: Easton,Ks
I though that the 7.3 with an alternator and regulator was a high output alternator system.
What is the Amp output of your current system?
I would think that one off a newer 7.3 that has a higher output would work and would also use your wiring setup.
I do not think I ever heard of a non-relay regulator working and being on its last leg, they are either good or bad.
I do not recall any posts for upgrading an alternator on a 7.3.
 

Last edited by subford; Jun 11, 2006 at 06:22 AM.
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Old Jun 11, 2006 | 06:37 AM
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The current (punn intended) one is 65 amp. The alterantor is intermittently working as the front bearing is shot
 
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Old Jun 11, 2006 | 06:45 AM
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I can't take credit for this list. Copied & saved it from the electrical forums couple weeks ago.


All of these Ford vehicles had the 130amp 3G

(1994-95) Ford Mustang 5.0L
(1994-00) Ford Mustang 3.8L
(1994-97) Ford Thunderbird, Mercury Cougar 3.8L
(1990-95) Ford Taurus, Mercury Sable 3.8L
(1993-99) Ford Taurus, Mercury Sable 3.0L
(1995-98) Ford Windstar 3.8L & 3.0L
(1991-94) Lincoln Continental 3.8L
(1992-97) Ford F Series Pickup
(1992-96) Ford E Series Van
 
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Old Jun 11, 2006 | 07:00 AM
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if you only have a 63 amp alternator, someone changed it. every diesel i have had or worked on had at least a 130 amp alternator on it.
 
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