Patent ID: 7118513

Claim:
A multi-combination vehicle, comprising: at least first and second transmissions, said first transmission including a first electronic control unit, said second transmission including a second electronic control unit; at least first and second engines, said first engine being coupled to said first transmission, said first engine including a first electrical power source adapted to provide first power to said first electronic control unit, said second engine being coupled to said second transmission, said second engine including a second electrical power source adapted to provide second power to said second electronic control unit; an electronic gear selector, said electronic gear selector being in communication with said first and second transmissions, said gear selector including a power input and a gear selector output; and a gear selector module, said gear selector module being provided third power from at least one of said first and second electronic control units, said gear selector module being adapted to provide fourth power to said gear selector power input, said gear selector module including a manual switching device, said manual switching device being adapted to selectively provide said third power from a selected one of said first and second electronic control units.