RAM 2500 Truck 2WD V10-8.0L VIN W (2003)
Ignition Cable: Description and Operation
SPARK PLUG CABLE
Spark plug cables are sometimes referred to as secondary ignition wires, or secondary ignition cables.
Plug cables are used only on the 5.7L V-8, 5.9L V-8 and 8.0L V-10 engines.
The spark plug cables transfer electrical current from the ignition coil(s) and/or distributor, to individual spark plugs at each cylinder. The resistive
spark plug cables are of nonmetallic construction. The cables provide suppression of radio frequency emissions from the ignition system.
Plug cables are used only on the 5.7L V-8, 5.9L V-8 and 8.0L V-10 engines.
