/ / How does the weight switch ensure the safety of the car?

How does the weight switch ensure the safety of the car?

Manufacturers have accumulators in eitherluggage compartment, or under the rear seat, or in another secluded place, access to which is difficult. If a short circuit occurs in the vehicle wiring, a fire breaks out, in which it is very difficult to save the car, because the terminal can not be quickly reset. The problem is easily solved by the weight switch.

The switch of weight

With its help, the electrical circuit can be de-energizedinstantly. In addition, the mass switch is an excellent opportunity to protect the vehicle from theft, because a reasonably hidden switch button and a bonnet lock that prevents intruders from accessing the battery is a reliable protection. A bimetallic 4-amp fuse, installed in an electrical circuit in parallel, will enable the car alarm to operate even when the mass is off.

When choosing it is recommended to pay attention tothe KamAZ weight switch, which is easy to control directly from the car's cabin - remotely. It works perfectly at 12 volts, and in the old days KAMAZ switches were equipped with anti-theft systems of cars. The principle of operation is the immediate shutdown of the power supply.

You can also install the remote earth switch yourself. To do this, in addition to the device itself, you need a wire with crimp connectors, having a cross-section of 35 mm, thermal

KAMAZ weight switch
glue in the gun, lead and seal rubber.

With the battery, you need to remove the negative terminal andremove the old wire of the "mass". Find in the cabin an inconspicuous corner where you need to install a mass switch and make a small hole for wiring, covering the metal with an anti-corrosion compound and sealing it with rubber for mirrors. In the hole you need to enter the wire, and then seal it with glue. Wire connection isolate. This will prevent the formation of a short circuit in the circuit. It must be stretched along the body. Switch the mass switch securely.

KAMAZ weight switch
Next, it is necessary to mount a low-currentfuse and connect the case to the negative terminal of the battery, bypassing the switch of the mass, so that when the circuit is de-energized, the alarm system, computer and audio device continue to work. If a powerful voltage is applied to the circuit or a short circuit occurs, the fuse will be damaged and the circuit will be de-energized.

It remains to perform the work that will ensureenergy central locking, light and staff sound signals. To do this, connect an additional relay to the electrical circuit. With its help, during operation of these devices, the mass switch will be bypassed. Of course, this scheme is not easy for an inexperienced person in an auto electronics, so the expert's advice here will be very handy.

After installing the device, always keep it in stockspare bimetal fuses, forgetting to turn off the starter one day, you can easily burn them. Fasten the wires with two toothed washers, and the lead terminal on the battery is regularly coated with lithol.

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