DC Wiring Layout for LiFePO4 Trailer Battery Charging

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Original Member Title: Help!! DC newbie!
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A member wiring an older small Lark trailer from scratch wanted help connecting a stand-alone 12V DC system that charges a 100Ah LiFePO4 trailer battery from the tow vehicle through a 7-pin setup and DC-DC charger, while keeping it separate from the existing shore power wiring. Members focused on the basic order of components, with the proposed layout being tow vehicle/junction box power and ground to the DC-DC charger, charger to battery, battery to cutoff switch, then shunt/monitor and...
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