<p>C.O.P. wiring detail design in AutoCAD 2D drawing. An individual ignition coil lies atop a spark plug in a coil-on-plug (COP) ignition system, which keeps the coils apart from exhaust heat and is located on the cylinder head. Spark plugs are able to receive voltage more readily as a result. For more knowledge and detailed information download the 2D AutoCAD dwg file.</p>