TrailBlazer 2WD L6-4.2L VIN S (2003)
1. Install the horn switch (2) to the steering wheel (3).
Notice: Refer to Fastener Notice in Service Precautions.
2. Connect the horn contact plate (2) captured screws (1, 4) to the steering wheel (3).
Tighten the screws to 5.5 Nm (50 inch lbs.).
3. Install the horn plunger to the steering column.
4. Install the inflator module.
5. Enable the SIR system.