Quote:
Originally Posted by miker98038
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.
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We installed a GM alt on our '41 Ford with a 302. Local shop rewired for 1 wire. worked great. Have a '60 Ford 292 now with 1 wire alt. and it also works good. No messing with Voltage regs. 1 wire to the + on battery and good to go. If you can't find large enough wire to suit your needs run 2 wires together..