Control Box, Wedge, 5-pole conversion, MMDC/MUXControl Box, Power Wedge, 5 Pole, w H Bridge, MMDC MUX, 12. For all older Malibu models with this computer control system. To match, check your current module and make sure it says "mmdc" or "mux"; if not you will need a different box. If you have the older style 3 pole wedge system you will usually have to convert to this control box to get the updated 5 pole actuators to work. Will require this control box and 5615008 (qty 2) as well.