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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 331 (Engine Controls - 8.1L (Introduction)) >> Repair Instructions >> Spark Plug Wire Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the spark plug wire at the ignition coil.
    Fig 1: Spark Plug Wire At Ignition Coil
    GM843846Courtesy of GENERAL MOTORS CORP.
  2. Install the spark plug wire to the spark plug.
  3. Inspect the wire for proper installation:
    1. Push sideways on the boot in order to inspect the seating.
    2. Reinstall any loose boot.
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