ON-VEHICLE ELECTRIC DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an on-vehicle electric device which can allows any non-on-vehicle functional elements and driving means for driving the elements function correctly even when they are built therein.

SOLUTION: A main fan driving circuit 20 (a main driving means) which receives power supply from an on-vehicle power source 50 to drive a main fan motor 10 has a protective circuit 60 for protecting: an auxiliary fan motor 20 of an auxiliary fan device 2; and an auxiliary fan driving circuit 40 for driving the motor 20.

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