K 3500 Truck 4WD V8-6.0L VIN U (2002)
Ignition Cable: Service and Repair
Spark Plug Wire Inspection
Spark plug wire integrity is vital for proper engine operation. A thorough inspection will be necessary to accurately identify conditions that may affect
engine operation. Inspect for the following conditions:
1. Correct routing of the spark plug wires-Incorrect routing may cause cross-firing.
2. Any signs of cracks or splits in the wires
3. Inspect each boot for the following conditions:
^
Tearing
^
Piercing
^
Arcing
^
Carbon tracking
^
Corroded terminal
If corrosion, carbon tracking or arcing are indicated on a spark plug wire boot or on a terminal, replace the wire and the component connected to the
wire.
