Sierra 1500 2WD V6-4.3L (2008)
5. Install the appropriate spark plug wire boot(s) (1, 2) to the ignition coil.
6. Inspect the spark plug wires for proper routing (1, 2, 3, 4, 5, 6) and installation.
1. Push sideways on each boot in order to inspect the seating.
2. Reinstall any loose boot.
3. Any time the spark plug wire or boot are installed on the spark plug, new dielectric grease needs to be applied inside the boot.
