Vehicle anti-theft device

Claim 1

A vehicle anti-theft device comprising: a vehicle having an electrical system including an ignition system and starter; a battery for supplying electrical power to the vehicle ignition system, said battery having positive and negative terminals; a first relay for providing electrical power to the ignition system; a first power cable for connecting said relay to said ignition system; a second relay for providing electrical power to the starter; a second power cable for connecting said second relay to the starter; a pair of amplifiers associated with each of said relays for actuating said relays; a pair of trigger circuits associated with each of said amplifiers for providing a short duration electrical pulse to said amplifiers when triggered; first and second flip flop switches for triggering selected ones of said trigger circuits; a receiver for receiving an encoded signal and providing an electrical pulse to said flip flop switches to trigger selected ones of said trigger circuits when said encoded signal is received; a first enclosure for enclosing said first relay, said enclosure further comprising a lock for securing said enclosure in a closed position; a first disconnect switch associated with said first enclosure for disconnecting the first power cable from the ignition when the enclosure is in an open position; a second enclosure for enclosing said second relay, said enclosure further comprising a lock for securing said enclosure in a closed position; a second disconnect switch associated with said second enclosure for disconnecting the second power cable from the starter when the enclosure is in an open position; and whereby said first and second relays successively connect and disconnect said ignition system and said starter when actuated.