Installing one wire alternator

We had installed an in-line relay for the old AC Delco alternator that would kill the charge wire when the ignition switch was turned off. That was to prevent that alternator from draining the battery over time. It also has a 120 amp rated fuse in it. It remains in place in lie of a fuse in the charging line.......for now.

Have been told what with this new Power Master alternator, with it's internal regulator, the relay part of it is no longer needed. Should replace it anyway as the relay requires a connection to the ignition system to work, and that connection also runs thru it's own fuse. If that gets blown the relay won't open, power won't flow. But that is how it is setup.......today.

The relay wasn't my idea, but was suggested by an electrical engineer I know. As rig gets used, a better, cleaner alternative is to simply disconnect the batter cables when rig gets parked once season is over.