Installation Procedure

Fig 1: View Of Turn Signal Switch Housing & Steering Column Shaft Assembly

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The switch mounting bracket must be pressed firmly against the steering column tilt head.

Slide the turn signal switch housing onto the steering column shaft assembly.
Install the turn signal and multifunction switch assembly only. Refer to Multifunction, Turn Signal Switch Replacement .
Install the tilt head components. Refer to Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement .
Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.