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Home › Chevrolet › 2004 › Avalanche 1500, 4WD › Repair and Diagnosis › External Pages › Different variant/trim › Section 3 (Engine Control System - 8.1L (Introduction)) › Repair Instructions › Spark Plug Wire Replacement › Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Spark Plug Wire
    GM843846Courtesy of GENERAL MOTORS CORP.
  1. Install the spark plug wire at the ignition coil.
  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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