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Anti-theft door actuated hazard light and horn circuits for automobiles

  • US 4,354,174 A
  • Filed: 04/14/1980
  • Issued: 10/12/1982
  • Est. Priority Date: 04/14/1980
  • Status: Expired due to Term
First Claim
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1. In combination with the wiring system of an automobile having a battery with a positive terminal and a negative terminal, the negative terminal of the battery being connected to a ground, at least one ignition switch having a first side connected to the positive terminal of the battery, a pair of left and right forward turn signal lamps, a pair of left and right rear turn signal lamps, a pair of left and right rear brake lamps, a turn signal switch assembly, a flasher, a brake light switch, a plurality of conductors interconnecting the lamps, ignition switch, brake light switch, flasher and turn signal switch assembly to permit selective flashing of the left or right turn signal lamps and selective simultaneous illumination of both of the brake lamps, the wiring system further including a horn, and at least one interior light having a first terminal connected to the positive terminal of the battery and a second terminal connectable to the ground by the closing of any one of a plurality of automobile body mounted switches through the opening of a corresponding one of a plurality of structural access panels of the automobile, the improvement comprising:

  • an anti-theft switch;

    a bypass switch;

    an arming switch; and

    means for interconnecting the anti-theft switch, the bypass switch, and the arming switch with the battery, the flasher, the turn signal lamps, the brake lamps, the turn signal switch assembly, the horn and the interior light so that when the ignition switch is open, closing the anti-theft switch and the bypass switch without closing the arming switch will cause intermittent flashing of the turn signal lamps and the brake lamps to provide a hazard mode, and closing the anti-theft switch and the arming switch without closing the bypass switch and thereafter opening of any one of the structural access panels will result in intermittent blasting of the horn and flashing of the turn signal lamps and the brake lamps to provide an anti-theft mode.

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