Here's a simplified overview of how an ignition relay works:
1. When you turn the key to the "start" position, a signal is sent to the ignition relay.
2. The ignition relay receives this signal and closes an internal circuit, allowing electricity from the battery to flow through the relay.
3. The electricity passes through the ignition relay and reaches the ignition coil.
4. The ignition coil uses this electricity to create a high-voltage spark that travels to the spark plugs.
5. The spark plugs ignite the air-fuel mixture in the engine's cylinders, starting the engine.
6. Once the engine starts, the key is released and the electrical signal to the ignition relay stops.
7. The ignition relay opens the circuit, cutting off the power supply to the ignition coil and spark plugs.
By controlling the flow of electricity to the ignition system, the ignition relay helps to ensure that the engine starts properly and runs smoothly. If the ignition relay is malfunctioning, it can lead to problems with starting the engine, such as delayed ignition or even a complete failure to start. In such cases, it may be necessary to inspect, repair, or replace the ignition relay to restore the proper functioning of the ignition system.
