Blue Ox BX88453 Towed Vehicle Battery Charge Line Wiring Harness

Kit, Towed Vehicle Charge Line The BX88453 Towed Vehicle Charge Line Kit ensures the towed vehicle battery maintains a charge while being flat towed. Only charges when the RV’s engine is running. Isolated when not charging. Thermal protected Pulse with modulation (PWM) overcurrent and temperature regulation. Protects from overvoltage and reverse batteries. Connects battery to 6 or 7-way plug.