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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 221 (Steering Wheel & Steering Column) >> Repair Instructions >> MULTIFUNCTION, Turn Signal Switch Replacement >> Installation Procedure

Installation Procedure

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  1. Install the turn signal and multifunction switch assembly (2) onto the steering column tilt head assembly.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Important:  Be sure that the electrical contact of the turn signal and multifunction switch assembly (2) rests on the turn signal cancel cam assembly.

  2. Screw the 2 pan head tapping screws (1) and (3) into the turn signal and multifunction assembly (2).

    Tighten 

    • Tighten the top pan head tapping screw (1) to 3 N.m (30 lb in).
    • Tighten the side pan head tapping screw (3) to 7 N.m (62 lb in).
      Fig 1: Installing Turn Signal & Multifunction Switch Assembly
      G01217363Courtesy of GENERAL MOTORS CORP.
  3. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly into the bulkhead connector (1).
    Fig 2: Sliding Connectors Onto Bulkhead Connector
    G01217364Courtesy of GENERAL MOTORS CORP.
  4. Connect the turn signal and multifunction switch assembly connector to the SIR coil connector.

    Important:  The abrasion sleeve must be installed back onto the steering column wire harness assembly. The ignition lock cylinder case wires and connector must be hanging out of the middle of the abrasion sleeve.

  5. Install the wire harness assembly (1) into the wire harness strap (2).
  6. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  7. Enable the SIR system. Refer to ZONE 3 .
    Fig 3: Installing Wire Harness Assembly Into Wire Harness Strap
    G01217365Courtesy of GENERAL MOTORS CORP.
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