Sierra 1500 2WD V8-5.3L (2008)
![background image](/gmc/sierra_1500_2wd/v8-5.3l/Page-532002.png)
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.