I would definitely use a voltage sensitive relay system over an isolator in your application.
Narva voltage sensitive relay wiring diagram.
This video shows what a voltage sensitive relay or vsr is and how to install one in a dual battery setup to make sure both batteries get charged but only one.
Narva 61078bl battery master switch boat dual wiring diagram blue sea safetyhub 250 fuse block with rbs aux rocker 8278 4 wire trailer plug how a vsr voltage sensitive relay switches distribution fog lights to toggle.
I have misplaced the diagram i had when i first installed the system when i had the 1984 johnson 70.
7 pin relay wiring diagram.
Through innovation and market development narva is the leader in automotive lighting and electrical equipment.
Narva s voltage sensitive relay vsrs are suitable for a wide variety of dc applications.
Automatically connects disconnects the appliance or circuit based on the input voltage.
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