Sierra 1500 2WD V8-5.3L VIN Z Flex Fuel (2006)
8. The Melco(r) ignition coil bracket (1) is a square design.
9. The Delphi(r) ignition coil bracket (2) is a round design.
INSTALLATION PROCEDURE
1. Install the spark plug wire to the ignition coil.
2. Install the spark plug wire to the spark plug.
3. Inspect the spark plug wire for proper installation:
1. Push sideways on each boot in order to inspect the seating.
2. Reinstall any loose boot.