Electrical power unit and power distribution center therefor for vehicles

A power unit 20 comprises a power source 22 and a load distribution center 24 mounted to the power source 22. In one embodiment, the load distribution center includes a base 32 that is removably mounted to the power source, a primary positive terminal bus member 34 connected to the positive terminal of the power source, a secondary positive terminal bus member 36 connected to the primary positive terminal bus member through a switching device, and a negative terminal bus member 38 that is connected to the negative terminal of the power source. The primary bus member and/or the secondary bus member includes connectors for connecting leads of electrical devices to the primary and/or secondary bus members, respectively.