1989 LJ73 External Voltage Regulator

Feb 1, 2017
Atlanta, Georgia
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Hi all,

I believe I have a bad external voltage regulator. I can't seem to find an identical replacement but cruiserparts.net has been super helpful and has one that they think will work with some splicing. Has anyone done this or does anyone have a wiring diagram for the external voltage regulator to help with it?

Also, I have no idea what that extra relay added in is for. The plug coming out of the regulator and the plug on the other side of the added relay appear original so I am not sure what the purpose of it was.

I am attaching some photos of the existing one and the potential replacement.

Screenshot_20180809-105936_Chrome Beta.jpg

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