Magnum swap using Magnum alternator

I just bought a 5.2 built motor with the denso alternator. it is already set up for 1 wire using this conversion the guy bought on ebay.
https://www.ebay.com/itm/384028777282?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=z4bth1kvrpo&sssrc=4429486&ssuid=5ojJ48eRTZi&var=&widget_ver=artemis&media=MORE

It requires 1 wire to the battery and one from ignition with power in run and start

5.2 magnum.jpg