Reconfigurable vehicle accessory controller

A reconfigurable controller system for one or more switchable electronic devices, the controller system comprising:

• a relay junction with a plurality of relay connections each including at least a load circuit input, a load circuit output connectible to a respective one of the one or more switchable electronic devices, and a control circuit line;
• and
• a controller head unit connectible to the relay junction and including:
• a data processor;
• a data transmitter connected to the control circuit lines of the relay junctions;
• and
• a plurality of switch buttons each having an independent indicator screen, the switch buttons each being connected to the data processor and being receptive to one or more display outputs generated by the data processor, and input commands being transmitted to the data processor from actuated ones of the plurality of switch buttons,
• the data processor defining one or more switch function mappings for each of the switch buttons, a given one of the switch function mappings defining an association of a specific one of the display outputs to an output function generated to the data transmitter in response to a specific one of the input commands from an actuation of the switch button;
• and
• a scroll dial receptive to a rotary input and connected to the data processor, one of one or more page sets of activated ones of switch function mappings for each of the switch buttons being selectable based upon the rotary input to the scroll dial.