Patent ID: 7728718

Claim:
A lighting system for a vehicle, said lighting system comprising: a plurality of intermittently operable multi-function lamps, with at least one of said multi-function lamps provided at each of left and right portions of a front portion and a rear portion of a vehicle body, respectively, each of said multi-function lamps comprising a single filament bulb, wherein said multi-function lamps may selectively light up as position lamps, winker lamps, or hazard lamps and wherein each of said multi-function lamps is operable as a winker lamp or as a hazard lamp using said single filament bulb; a lighting control circuit which functions as a relay, said lighting control circuit operatively connected with said plurality of multi-function lamps; said lighting control circuit having a changeover function unit which allows said multi-function lamps which are provided at the front portion of the vehicle body to light up as position lamps, winker lamps or hazard lamps, wherein said system is operable to control operation of said multi-function lamps without requiring any additional relays other than said lighting control circuit; an antitheft apparatus operatively attached to said vehicle body and capable of generating an output signal under predetermined conditions; a winker switch operatively connected with the lighting control circuit; and a power supply circuit which supplies power to said lighting control circuit in response to an output signal from the antitheft apparatus, wherein power is supplied to said rear multi-function lamps through said antitheft apparatus causing said rear multi-function lamps to light up or flicker and power is supplied to said front multi-function lamps through said lighting control circuit causing said front multi-function lamps to light up or flicker in an ignition off state of an ignition switch of an engine of the vehicle, wherein the antitheft apparatus comprises an output terminal which is operatively connected to an electrical connection between said winker switch and said rear multi-function lamps.