On -vehicle selector power control system

The utility model discloses an on -vehicle selector power control system. Triode Q2's collecting electrode is connected to triode Q1's grid electricity, first power input end is connected to triode Q1's drain electrode electricity, the the first signal end is connected to triode Q1's source electrode electricity. Resistance R3's the other end has the common port with electric capacity C2's one endand resistance R4's one end simultaneously, electric capacity C2's other end ground connection, resistance R4's the other end has the common port with resistance R5's one end and electric capacity C3's one end and third signal end simultaneously, resistance R5's the other end and electric capacity C3's the other end be ground connection simultaneously. The utility model discloses can satisfy thevehicle and not start the selector operation under the condition, the time node that closes of selector no longer receives the auxiliary electrical power source restriction simultaneously, can guarantee conscientiously that al