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Home >> Hummer >> 2007 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Electrical >> Horns >> Repair Instructions >> Horn Switch Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Horn Plunger At Steering Column
    GM399638Courtesy of GENERAL MOTORS CORP.
    CAUTION: When performing service on or around the SIR components or the SIR wiring, follow the procedures listed below in order to temporarily disable the SIR system. Failure to follow the procedures could result in the following:
    • Air bag deployment
    • Personal injury
    • Otherwise unneeded SIR system repairs
  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  3. Remove the horn plunger from the steering column by pressing inward to the stop and rotating horn plunger 90 degrees.
    4. Fig 2: View of Horn Contact Plate, Steering Wheel & Screws
    GM776565Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the horn contact plate (2) captured screws (1, 4) from the steering wheel (3).
  5. Remove the horn switch (2) from the steering wheel (3).
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