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Old 04-14-2023, 02:10 PM   #3
Stephenorf
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Location: I'm in Texas Y'all!
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Default Re: Gen to Alt Conversion - Easy?

Quote:
Originally Posted by miker98038 View Post
If it’s a 12 volt car already it’s pretty straight forward. But which alternator you choose will affect that. If it’s an internal regulator (3 or 1 wire) you’ll need to deal with that. If it’s a separate regulator, same thing. If you’re going way up in amperage output to run heavy electrical loads, the output wire all the way to the battery terminal will need to be appropriately sized. And you need to figure out how to get the “red light” to work too.

I’m not a big fan of 1 wires adapted to a different vehicle. I’ve seen lower voltage at the battery then I like on some. Depends on the wire length and gauge between the alternator and the battery.

But in most cases you don’t get into all of those items. Just something to be aware off.
Hi, I was thinking of using an alternator from a 1965/1966 Mustang (289ci/302ci). It is a "standard" 3-wire hookup with an external voltage regulator. I think the ones I have laying around are all 55 amp alternators.



1966 Autolite alternator for a V8, 55A 15V External VR - I have a few and they all tested good at the local Autozone.

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