A contactor control system comprising: a primary microprocessor and a secondary microprocessor adapted to operably communicate with one another; a high side contactor control circuit having a primary pull-in circuit and a secondary pull-in circuit; the primary pull-in circuit operably coupled to the primary microprocessor and a vehicle battery; the secondary pull-in circuit operably coupled to both the primary pull-in circuit and the secondary microprocessor; the secondary pull-in circuit further operably coupled to a first logical OR circuit, the first logical OR circuit further operably coupled to a first end of a first contactor coil of a first contactor; a low side contactor control circuit having a primary grounding circuit and a secondary grounding circuit, the primary grounding circuit operably coupled to the primary microprocessor and a second logical OR circuit; the secondary grounding circuit operably coupled to the secondary microprocessor and the second logical OR circuit; the primary microprocessor programmed to send a first command signal to the secondary microprocessor; the secondary microprocessor programmed to send a second command signal to the secondary grounding circuit to induce the secondary grounding circuit to output a ground level voltage to the first logical OR circuit to induce the first logical OR circuit to output the ground level voltage to a second end of the first contactor coil, in response to the first command signal; the primary microprocessor further programmed to send a third command signal to the primary grounding circuit to induce the primary grounding circuit to output the ground level voltage to the first logical OR circuit to induce the first logical OR circuit to output the ground level voltage to the second end of the first contactor coil, in response to the third command signal; the primary microprocessor further programmed to send a fourth command signal to the secondary microprocessor; the secondary microprocessor further programmed to send a fifth command signal to the secondary pull-in circuit to activate the secondary pull-in circuit in response to receiving the fourth command signal; and the primary microprocessor further programmed to send a sixth command signal to the primary pull-in circuit to induce the primary pull-in circuit to output a first pull-in voltage to the secondary pull-in circuit, the secondary pull-in circuit adapted to output a second pull-in voltage to the first logical OR circuit in response to receiving the first pull-in voltage; the first logical OR circuit adapted to output the second pull-in voltage to the first end of the first contactor coil in response to receiving the second pull-in voltage, such that the first contactor coil is energized to close a first contact in the first contactor. a primary microprocessor and a secondary microprocessor adapted to operably communicate with one another; a high side contactor control circuit having a primary pull-in circuit and a secondary pull-in circuit; the primary pull-in circuit operably coupled to the primary microprocessor and a vehicle battery; the secondary pull-in circuit operably coupled to both the primary pull-in circuit and the secondary microprocessor; the secondary pull-in circuit further operably coupled to a first logical OR circuit, the first logical OR circuit further operably coupled to a first end of a first contactor coil of a first contactor; a low side contactor control circuit having a primary grounding circuit and a secondary grounding circuit, the primary grounding circuit operably coupled to the primary microprocessor and a second logical OR circuit; the secondary grounding circuit operably coupled to the secondary microprocessor and the second logical OR circuit; the primary microprocessor programmed to send a first command signal to the secondary microprocessor; the secondary microprocessor programmed to send a second command signal to the secondary grounding circuit to induce the secondary grounding circuit to output a ground level voltage to the first logical OR circuit to induce the first logical OR circuit to output the ground level voltage to a second end of the first contactor coil, in response to the first command signal; the primary microprocessor further programmed to send a third command signal to the primary grounding circuit to induce the primary grounding circuit to output the ground level voltage to the first logical OR circuit to induce the first logical OR circuit to output the ground level voltage to the second end of the first contactor coil, in response to the third command signal; the primary microprocessor further programmed to send a fourth command signal to the secondary microprocessor; the secondary microprocessor further programmed to send a fifth command signal to the secondary pull-in circuit to activate the secondary pull-in circuit in response to receiving the fourth command signal; and the primary microprocessor further programmed to send a sixth command signal to the primary pull-in circuit to induce the primary pull-in circuit to output a first pull-in voltage to the secondary pull-in circuit, the secondary pull-in circuit adapted to output a second pull-in voltage to the first logical OR circuit in response to receiving the first pull-in voltage; the first logical OR circuit adapted to output the second pull-in voltage to the first end of the first contactor coil in response to receiving the second pull-in voltage, such that the first contactor coil is energized to close a first contact in the first contactor.