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Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the horn switch (2) to the steering wheel (3).
    NOTE: Refer to FASTENER NOTICE .
  2. Connect the captured screws (1,4) from the horn contact plate (2) to the steering wheel (3).

    Tighten 

    Tighten the screws to 5.5 N.m (50 lb in).

    Fig 1: Connect Captured Screws To Horn Contact Plate From Steering Wheel
    G01479780Courtesy of GENERAL MOTORS CORP.
  3. Install the horn plunger to the steering column.
  4. Install the inflator module. Refer to SIR COIL ASSEMBLY .
  5. Enable the SIR system. Refer to ZONE 3 .
    Fig 2: Install Horn Plunger To Steering Column
    G01479781Courtesy of GENERAL MOTORS CORP.