A riding lawn mower comprising: a frame; a cutting deck operably attached to the frame and comprising one or more cutting blades; an operator station operably attached to the frame and configured to support an operator during operation of the riding lawn mower; wheels (42, 44) operably attached to the frame; steering controls for directing at least one of the wheels (42, 44); a battery; an axle configured to turn at least one of the wheels (42, 44); one or more engines or motors operably attached to the frame and configured to provide power to rotate the axle and the one or more cutting blades; a control module for programmably controlling electrical operations of the riding lawn mower; characterised in that the mower further comprises a plurality of transceiver modules (205, 1, 2, 3, 4, 5, N, 202, 211, 300, 402, 512) separate from the control module, the transceiver modules (205,..., 512) being operably connected between the control module and respective devices of the riding lawn mower so as to communicate data between the respective devices and the control module; and a wiring system comprising wires that electrically connect the transceiver modules (205,..., 512) with the control module, the wiring system including a power wire (212, 214) that provides electrical power to the transceiver modules (205,..., 512) from the battery, wherein the wiring system comprises: a data bus (216, 218) comprising a data wire that transmits data between the control module and at least one of the transceiver modules (205,..., 512), the data wire being configured to be attached to the frame of the riding lawn mower, wherein the transceiver modules (205,..., 512) are connected to the data wire in parallel. a frame; a cutting deck operably attached to the frame and comprising one or more cutting blades; an operator station operably attached to the frame and configured to support an operator during operation of the riding lawn mower; wheels (42, 44) operably attached to the frame; steering controls for directing at least one of the wheels (42, 44); a battery; an axle configured to turn at least one of the wheels (42, 44); one or more engines or motors operably attached to the frame and configured to provide power to rotate the axle and the one or more cutting blades; a control module for programmably controlling electrical operations of the riding lawn mower; characterised in that the mower further comprises a plurality of transceiver modules (205, 1, 2, 3, 4, 5, N, 202, 211, 300, 402, 512) separate from the control module, the transceiver modules (205,..., 512) being operably connected between the control module and respective devices of the riding lawn mower so as to communicate data between the respective devices and the control module; and a wiring system comprising wires that electrically connect the transceiver modules (205,..., 512) with the control module, the wiring system including a power wire (212, 214) that provides electrical power to the transceiver modules (205,..., 512) from the battery, wherein the wiring system comprises: a data bus (216, 218) comprising a data wire that transmits data between the control module and at least one of the transceiver modules (205,..., 512), the data wire being configured to be attached to the frame of the riding lawn mower, wherein the transceiver modules (205,..., 512) are connected to the data wire in parallel. a data bus (216, 218) comprising a data wire that transmits data between the control module and at least one of the transceiver modules (205,..., 512), the data wire being configured to be attached to the frame of the riding lawn mower, wherein the transceiver modules (205,..., 512) are connected to the data wire in parallel.