Isolating 12v current to trailer
I have a 6ga wire running from the battery of my TV to a winch type quick disconnect at the rear of the truck and the corresponding connector attached to the batteries on the trailer. How do I isolate...
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A mechanical heavy duty relay is what I have used in the past. Installation instructions are on the link. You can get a relay from most auto supply. Check to insure it can handle the amperage of full load winch draw amperage.
Tekonsha Battery Switch
Tekonsha Battery Switch
