2wire to 1 wire alt setup
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Freshman User
Joined: Feb 2007
Posts: 31
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2wire to 1 wire alt setup
Does anyone know how to convert from a 2 wire alternator the single wire one on a 79 F250 SC with the 400ci motor i want to run at least a 100 amp alternator thanks in advance for any input
Moderator
Joined: Jan 2001
Posts: 57,025
Likes: 2,758
From: Virginia
A 1 wire alternator requires a special regulator. You can search around to see if you can find a kit to convert a later model Ford or GM alternator to 1 wire, or do what most people do and buy the whole alternator already converted from one of the many brands who make 1 wire alternators.
If you check the vendors on top of the page, I am sure one of them sells a one wire to fit your engine.
If you check the vendors on top of the page, I am sure one of them sells a one wire to fit your engine.
Elder User
Joined: Mar 2004
Posts: 976
Likes: 2
From: clinton iowa
i bought a 2 wire years ago when i upgraded the old one on my jeep.went down to napa and got what they called a self exciter regulater ,took it home pulled the old one out and installed new one and that was 5 years ago. pretty easy to do and the self exciter reg's are pretty cheap like around $5-7.with these units you just need to tap the throttle once to get it started and your good to go
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