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Successful Externally Regulated Alternator Swap


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Recently I was on a quest to swap out my ER Alt to a IR alt and this is what I learned.....

Converting your 1980 or prior alternator from "Externally Regulated" to "Internal Regulated" is quite simple and easy to do. You will need...

1. Internally regulated alternator from a 1981-1984 Subaru or a 85-94 GL/DL/Loyale (they had 65 amp alternators)

2. Butt connectors

3. Crimper's

4. Adjustable wrench

First remove the battery(SAFETY FIRST)and set it aside. Then find the regulator (square box 3x3 ish with quite a few wires going out the bottom). Cut off the wires at the regulator. Then strip and twist the white wire to the yellow wire and crimp on a butt-pick1- http://www.ultimatesubaru.org/photos/showphoto.php?photo=12644&cat=500&ppuser=13949 Now strip and twist the white/red wire to the white/black wire and crimp on a butt-pick2- http://www.ultimatesubaru.org/photos/showphoto.php?photo=12645&cat=500&ppuser=13949 . Strip the blue/yellow wire and connect it by a longer length of wire to the + side of the coil(this is your fuel)-pic3- http://www.ultimatesubaru.org/photos/showphoto.php?photo=12647&cat=500&ppuser=13949 . Swap your old ER alt for the new IR alt, replace your battery and wala ! No more external alternator!!

Big thanks to hondasucks for his time and references!!

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