The present invention is a remote de-activation system for use with vehicles or other motorized equipment consisting of a remote portable RF signal generation unit which communicates with an RF receiver mounted on the vehicle to be disabled. The receiver unit features circuit interruption switching or relays and is transposed within the ignition circuit of the vehicle or equipment to be disabled. The system is further characterized as including independent power sources for the RF transmitter, receiver and alarm systems such as to prevent malfunction of the system through compromising the power sources. Alternative embodiments include the utilization of a centralized battery charger and key locks.