Glossary “coil wire” Definition:
Wire that carries secondary high voltage from the coil to the distributor cap in a distributor type ignition system.

Glossary “coil saturation” Definition:
When the magnetic field has finished its buildup inside a coil, and no additional current will flow.

Glossary “coil spring” Definition:
A spring steel rod wound into a coil.

Glossary “coil spring clutch” Definition:
Clutch using coil springs to hold the pressure plate against the friction plate.

Glossary “coil on plug” Definition:
Type of ignition that each cylinder (spark plug) has its own ignition coil.

Glossary “coil pack” Definition:
Assembly of more than one coil in a single module.

Glossary “coil preload spring” Definition:
Coil springs are made of tempered steel rods formed into a sprial that resists compression and are located in the pressure plate assembly.

Glossary “coil bind” Definition:
Condition in which all of the coils of the valve spring are touching one another so that no further compression is possible.