What are spark plug coils called?
What are spark plug coils called? ignition coil An ignition coil, also known as a spark coil, is an induction coil in your car's ignition system which transforms the battery's low voltage into thousands of volts which are needed to create an electric spark in the spark plugs to ignite the fuel. Where does the spark plug go in an ignition coil? A side electrode curves out from the bottom of the shell toward the center electrode. The shell is threaded, so the spark plug can be installed in the combustion chamber. When high voltage is sent by the ignition...