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Home >> Hummer >> 2006 >> H3 Automatic >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Wheel And Column >> Repair Instructions >> Turn Signal Multifunction Switch Replacement >> Removal Procedure >> Installation Procedure

Installation Procedure

IMPORTANT: A new multifunction turn signal switch/SIR coil assembly will come precentered with a centering tab attached. Do NOT remove the centering tab until installation is complete. Failure to follow procedure will cause a misalignment to the SIR coil and centering will be required.

If reusing the existing multifunction turn signal switch/SIR coil assembly, you must center it.

  1. Slide the multifunction turn signal switch/SIR coil assembly onto the steering column.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
    2. Fig 1: Turn Signal Multifunction Switch/SIR Coil Assembly
    GM1488282Courtesy of GENERAL MOTORS CORP.
  2. Install the 3 turn signal multifunction switch/SIR coil bolts. Tighten the bolts to 4.5 Nm (40 lb in).
    3. Fig 2: View Of Wire Harness Straps & Assembly
    GM1488252Courtesy of GENERAL MOTORS CORP.
  3. Connect any electrical connectors and route the wiring harness through any retainers as needed.
  4. Remove the centering tab from the turn signal multifunction switch/SIR coil assembly.
  5. Install the steering column trim covers.
  6. Install the steering wheel. Refer to Steering Wheel Replacement 
  7. Enable the SIR system. Refer to SIR DISABLING AND ENABLING
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