“Choose Your Help Topic Below”
- Alternator or Battery Failure: How to Diagnose and Save Money
- Car Starter Problems: Causes and Solutions
- Ignition Switch: Understanding its Importance in Vehicle Security
- Push Button Start Troubleshooting: Why Won’t the Engine Crank?
This system is the low-voltage circuit that prepares the ignition coil to create a high-voltage spark. It includes the battery, ignition switch, and a coil with a primary winding, along with components like a ballast resistor and breaker points (in older systems) or an electronic control module.
When the ignition switch is on, current flows to the coil, building a magnetic field. When this current is suddenly broken, the collapsing magnetic field generates a high-voltage current in the secondary winding, which is then sent to the spark plugs to ignite the fuel-air mixture.
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