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Modern tow vehicles with smart alternators vary their charging voltage in ways that can confuse a DC-DC (BCDC) battery charger installed in a trailer. REDARC's RK1260 relay kit solves that by triggering the vehicle's ignition source so the charger knows when to start and stop charging.
The kit is built around a fully sealed 60A/80A changeover relay tested by REDARC engineers for harsh environments, and it includes everything needed for the install in one box.
Intended as a companion install kit for REDARC BCDC chargers on trailers towed behind smart-alternator-equipped vehicles — check your charger's documentation to confirm this kit is needed for your setup.
