Installation Procedure

Install the turn signal and multifunction switch assembly (2) onto the steering column tilt head assembly.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Important: Be sure that the electrical contact of the turn signal and multifunction switch assembly (2) rests on the turn signal cancel cam assembly.
Screw the 2 pan head tapping screw (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: Identifying 2 Pan Head Tapping Screws & Turn Signal Multifunction Assembly
  Courtesy of GENERAL MOTORS CORP.
Slide the 2 connectors (2) of the turn signal and multifunction switch assembly into the bulkhead connector (1).

Fig 2: Identifying Turn Signal and Multifunction Switch Assembly Connectors
Courtesy of GENERAL MOTORS CORP.
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.
Install the wire harness assembly (1) into the wire harness strap (2)
Install the upper and lower trim covers. Refer to STEERING COLUMN TRIM COVERS REPLACEMENT
Enable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM in Airbag.

Fig 3: Installing Wire Harness Assembly
Courtesy of GENERAL MOTORS CORP.