1 wire vs 3 wire

BigAl47 · Post by **BigAl47** » Mon Oct 12, 2020 5:15 pm

Want to upgrade my alternator to 100 amp but I’m having a problem finding with the 3 wire oem connection. Is it a problem using a one wire alternator if so will the amp gauge still work? Any other problems
Thanks

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390FE1972 · Post by **390FE1972** » Tue Oct 13, 2020 1:17 am

Here is an interesting youtube by Auto Restomod, where they install a 100AMP one wire alternator on a 1972 F100:

https://youtu.be/qA8p2EThGXc

Hope this helps!

HDxLoki · Post by **HDxLoki** » Tue Oct 20, 2020 9:28 pm

I'm currently in the middle of my 390 rebuild. When it come times to the charging system I plan on throwing in a Ford 3G Alt from a late 90's Mustang with a 3.8L. Mostly because you can pick one up at just about any autoparts store. Plus that 130 amps is more than enough to power my Spal fans and electronic ignition.

Here's a few links that helped me make up my mind:

https://www.hotrod.com/articles/install ... der-fords/

http://www.fordification.com/forum/view ... =8&t=82359

sargentrs · Post by **sargentrs** » Fri Oct 23, 2020 10:05 am

A good article on 1 wire vs 3 wire alternators.

http://www.madelectrical.com/electrical ... wire.shtml

BigAl47 · Post by **BigAl47** » Sat Oct 24, 2020 8:40 pm

Can you still use your oem alternator bracket for the mustang alternator

Thanks

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