Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2008 >> Uplander V6-3.9L >> Repair and Diagnosis >> Steering and Suspension >> Steering >> Steering Column >> Service and Repair >> Turn Signal Multifunction Switch Replacement
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Turn Signal Multifunction Switch Replacement



Turn Signal Multifunction Switch Replacement

Removal Procedure

1. Disable the SIR system. Refer to SIR Disabling and Enabling (Service and Repair).
2. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement (Steering Column Trim Covers Replacement).
3. Disconnect the electrical connectors from the multifunction switch.




4. Remove the wiring harness (1) from the steering column harness strap (2).
5. Disconnect the multifunction switch electrical connectors from the steering column wiring harness.




6. Remove the multifunction switch retaining screws (1).
7. Remove the multifunction switch (2) from the steering column.
8. Remove the SIR coil from the steering column shaft. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement (Removal and Replacement).

Installation Procedure

1. Install the multifunction switch (2) to the steering column tilt head. Verify that the electrical contact of the turn signal switch rests on the horn ring.





Notice: Refer to Fastener Notice (Fastener Notice).

2. Install the multifunction switch screws (1).

Tighten the screws to 3 N.m (26 lb in).




3. Install 2 electrical connectors (2) of the multifunction switch into the bulkhead connector.
4. Connect the multifunction switch connector to the SIR coil connector.




5. Attach the wire harness (1) to the steering column with new wire harness straps.
6. Install the wire harness (1) to the wire harness strap.
7. Install the SIR coil to the steering column shaft. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement (Removal and Replacement).
8. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement (Steering Column Trim Covers Replacement).
9. Enable the SIR. Refer to SIR Disabling and Enabling (Service and Repair).

pro multis · About Operation CHARM