Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Chevrolet Silverado SS V8-6.0L VIN NFACTORY OEM SERVICE PROCEDURE
Multifunction, Turn Signal Switch Replacement
Multifunction, Turn Signal Switch Replacement
Removal Procedure
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in Restraint Systems.
Caution: Refer to SIR Caution in Service Precautions.
2. Remove the upper and lower trim covers.
3. Remove the wire harness assembly (1) from the wire harness strap (2).
Important: The abrasion sleeve located on the steering column wire harness assembly must be reinstalled. Make note of what connector is coming out of the abrasion sleeve for installation purposes.
4. Disconnect the turn signal and multifunction switch assembly connector from the SIR system coil connector.
5. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly out of the bulkhead connector (1).
6. Remove the 2 pan head tapping screws (1) and (3) from the turn signal and multifunction switch assembly (2).
7. Remove the turn signal and multifunction switch assembly (2) from the steering column tilt head assembly.
Installation Procedure
1. Install the turn signal and multifunction switch assembly (2) onto the steering column tilt head assembly.
2. Screw the 2 pan head tapping screws (1) and (3) into the turn signal and multifunction assembly (2).
^ Tighten the top pan head tapping screw (1) to 3 Nm (27 inch lbs.) for Domestic Column Shift.
^ Tighten the top pan head tapping screw (1) to 7 Nm (62 inch lbs.) for Domestic Floor Shift and Export Column Shift.
^ Tighten the side pan head tapping screw (3) to 7 Nm (62 inch lbs.) for all.
Notice: Refer to Fastener Notice in Service Precautions.
Important: Be sure that the electrical contact of the turn signal and multifunction switch assembly (2) rests on the turn signal cancel cam assembly.
3. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly into the bulkhead connector (1).
4. Connect the turn signal and multifunction switch assembly connector to the SIR coil connector.
5. Install the wire harness assembly (1) into the wire harness strap (2).
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.
6. Install the upper and lower trim covers.
7. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in Restraint Systems.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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