| 摘要 |
PURPOSE:To improve the burglarproof effect of the car by giving the alarms when the engine is started without the ignition key by changing the wiring of the ignition system and the starting system of the engine. CONSTITUTION:When the engine is started without using the ignition key by changing the wiring of the engine elctric system to connect the starting circuit and the ignition circuit, the steering switch 5 stays OFF and the contact 9b and the negative pressure switch 7 stay ON as no electricity flows through the coil 9a. Therefore, electric power is supplied to the alarming device 8 to give alarms. This alarming has nothing to do with the state of the door, and is continued until the engine is stopped and the negative pressure switch 7 is turned off. |
