A control system for controlling high current devices in a vehicle is disclosed. The system includes a power source, a first and a second plurality of high current devices and a high current device control module. The high current device control module is connected to the power source and has a multiplexer circuit and a plurality of driver circuits connected to the first and second plurality of high current devices. The multiplexer circuit is in communication with the plurality of driver circuits to selectively activate the first plurality of high current devices or the second plurality of high current devices.