Section 03-07A: Distributor Ignition (DI)
1993 Mustang Workshop Manual
CLEANING AND INSPECTION

Spark Plug Wires

Without removing the high tension wires from the spark plugs, distributor cap or coil, wipe the wires with a clean, damp cloth and inspect them for visible damage such as cuts, pinches, cracks or torn boots. Replace only wires that are damaged. Refer to Spark Plug Wire, Removal and Installation.