Final answer:
The starter cutout should occur when the engine fires up and begins to idle, signaling that the starter motor should disengage. You should pull out the start button as soon as the engine starts to prevent damage to the starter motor. Lights dimming in a car or refrigerator indicates a high demand on the electrical system, which is particularly noticeable when starting a car.
Step-by-step explanation:
Understanding Starter Cutout in Engines
When discussing the starter cutout, we are referring to the moment the starter motor of an engine disengages. This is an essential step after an engine starts and begins to run on its own, as it helps prevent damage to the starter motor. In vehicles, starter cutout should occur as soon as the engine fires up and begins to idle smoothly, indicating that it no longer requires assistance from the starter motor.
You should pull out the start button (or release the start key) when the engine starts. Holding the start button or key for too long can lead to the starter motor running continuously, which can cause it to burn out or use excessive amounts of power that could affect the vehicle's electrical systems. This is the same reason you might notice lights dimming when an engine starts; the starter motor draws a significant amount of current which can cause a momentary drop in voltage affecting other electrical components such as lights.
The dimming of lights, whether in a vehicle or a refrigerator, signifies a surge in electrical use. In a car, this is often observed with the passenger compartment light dimming. While this can sometimes be attributed to resistance inside the battery, it's mostly due to the high demand of electricity by the starter motor that temporarily reduces available current for other systems. Proper understanding of the starter cutout process and timely release of the start button are crucial for the longevity of a vehicle's electrical and starter systems.