Installation Procedure

Install the horn plunger to the steering wheel.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the screws which retain the horn contact plate to the steering wheel.
Tighten
1. Tighten the screws to 5.5 N.m (50 lb in).
Fig 1: Installing Screws Which Retain Horn Contact Plate To Steering Wheel
Courtesy of GENERAL MOTORS CORP.
Install the horn plunger to the steering column.
Install the inflator module. Refer to INFLATABLE RESTRAINT STEERING WHEEL MODULE REPLACEMENT in SIR.
Enable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM in SIR.

Fig 2: Installing Horn Plunger To Steering Column
Courtesy of GENERAL MOTORS CORP.