Vehicle power distributor and method of connecting control circuit board to vehicle power distributor

A power distributor comprising a power distribution circuit, and a housing 22 in which the power distribution circuit is housed, and a method of connecting a control circuit board 18 to the power distributor. A board support portion 32 for supporting the control circuit board 18 in an erect state is provided in the housing 22. The control circuit board 18 and the power distribution circuit are connected to each other through a wiring material 30 in the condition that the control circuit board 18 is supported by the board support portion 32. Then, the control circuit board 18 is toppled over to thereby be housed in the housing 22.