Yukon XL 2500 4WD V8-6.0L VIN U (2005)
Horn Switch: Service and Repair
Horn Switch Replacement
Removal Procedure
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
Caution: Refer to Servicing the SIR System Caution in Service Precautions.
2. Remove the inflatable restraint steering wheel module.
3. Remove the horn plunger from the steering column by pressing inward to the stop and rotating the horn plunger 90 degrees.
4. Disconnect the captured screws (1,4) to the horn contact plate (2) from the steering wheel (3).
5. Remove the horn switch (2) from the steering wheel (3).
Installation Procedure
1. Install the horn switch (2) to the steering wheel (3).
2. Connect the captured screws (1,4) from the horn contact plate (2) to the steering wheel (3) .
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Tighten the screws to 5.5 Nm (50 inch lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
