The problem might be that your car starter relay fuse is blown. If you try starting your car and there’s no sign of starting or even a click, and your interior lights are bright, it may be an indication of a bad starter relay. The most common sign of a faulty or failing starter relay is that your car won’t start when you try to start it. Some of these signs are the same as the symptoms of a bad starter solenoid, and some indicate a bad starter motor. Like every other mechanical and electrical component in your vehicle, the starter relay displays some signs that show it’s failing before it finally stops.
The starter relay plays a significant role in starting your car. They rely on the starter relay to send power to the solenoid, engaging the starter to turn the flywheel. This causes the solenoid to transfer power to the starter motor, which in turn spins the flywheel.Īll modern starters follow this process. So, how do the starter relay, starter solenoid, and starter motor work together? When you insert your key into the ignition key to turn it on, it energies the starter relay, which transfers power to the starter solenoid, which transmits power to the starter motor.Ī starter relay sends small electric power to the starter solenoid when you turn on the ignition key, while the solenoid draws a large current directly from the car batteries. Starter solenoids are designed to engage the starter pinion with the ring gear of an engine. The starter solenoid works as an actuating coil of a connector, which carries electrical current from the starter solenoid to the starter motor. These are two different ignition system components. Most car owners and mechanics confuse starter relay with being starter solenoid. It is solely designed to transmit current from the car battery to the starter properly. This implies it is a switch between the starter solenoid and the starter motor.
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We’ll also discuss the functions, what causes them to fail, and how to fix or replace them.Ī starter relay is an ignition system component specially designed to transmit power from the car battery to the starter solenoid. This article will discuss these signs at length and examine how to tell if the starter relay is bad. When your starter relay fails or starts going bad, you’ll notice some warning signs to alert you to fix it on time. They include lousy circuits, corroded circuits, bridged contacts, wet relays, or even over-aged relays. However, several factors can cause a starter relay to fail. It rarely fails, but when it does, it might keep you stranded because your car won’t start. This means it serves as a switch between the starter motor and the starter solenoid in a vehicle. This critical ignition component is designed to direct current from the car battery to the starter solenoid, triggering the starter motor to turn the engine. The starter relay is one of the essential and most overlooked components of the ignition system. Knowing the symptoms of a bad starter relay will save you from being stranded in the middle of nowhere.
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