25freespins| The car starter makes a clattering sound and cannot catch fire. Why do we need to install a relay?
The reason why the car starter clattered and could not catch fire and the necessity of installing relays
The car starter clicks and does not catch fire is a problem often encountered by many car owners. This situation may be caused by a variety of reasons.25freespinsThe most common ones are insufficient battery or starter failure. However, even if these factors are excluded and the car still cannot be started, it may be necessary to consider installing relays.
Why is it necessary to install relays?
The purpose of installing a relay is to increase the capacity of the starting current and ensure that the car can start smoothly. When the car starts, the starter needs a lot of current to drive, and this current consumption may exceed the bearing capacity of the battery or starting circuit, resulting in start-up failure. By installing the relay, the path of the starting current can be apportioned to the relay, so as to reduce the pressure on the battery and the starting circuit and improve the success rate of starting.
The function of relay
A relay is a component of a control circuit, which can control a larger current with a smaller current. In the automobile starting system, the function of the relay is to control the starting current of the starter. When the car starts, the relay receives a signal from the start switch, which triggers the starter to work. Because the relay has a high current bearing capacity, it can effectively protect the battery and starting circuit and improve the success rate of vehicle start-up.
How to install relays
The process of installing relays is not complicated, but it requires some knowledge and skills of electricians. The following are the basic steps for installing relays:
one25freespins. Determine the installation location of the relay. Usually, relays can be installed near the battery to facilitate the connection of wires.
two。 Disconnect the battery. Before doing anything, you need to make sure that the power to the car is cut off to prevent electric shock.
3. Connect the input and output of the relay. According to the wiring diagram of the relay, connect the power cable of the starter to the input of the relay, and then connect the output of the relay to the starter.
4. Connect the control terminal of the relay. Connect the signal line of the start switch to the control end of the relay so that when the start switch is pressed, the relay will trigger the work of the starter.
5. Check that all connections are secure, then reconnect the battery and test to make sure the relay is working properly.
Matters needing attention
In the process of installing relays, we need to pay attention to the following points:
Note: select the right relay according to the model of the car and the current requirements of the starter to ensure that it can withstand enough current. Correct wiring when connecting relays, it is necessary to strictly follow the wiring diagram to avoid short circuit or wrong wiring. Check the insulation of the wire when connecting the wire, you need to make sure that the insulation of the wire is intact to prevent current leakage or electric shock. Avoid working in wet environment and wiring operation in wet environment may lead to electric shock or short circuit, so it is necessary to avoid installing relays in wet environment.Through the installation of relays, the success rate of car startup can be effectively improved, especially in the cold winter or when the battery is insufficient. However, if the car still cannot be started after the installation of a relay, it may be necessary to further examine other possible causes of failure, such as starter, battery, fuel system, etc.
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