Replacing the Multifunction Switch

This procedure describes how to replace ONLY the multifunction switch assembly. The new multifunction switch assembly will come complete with a new hazard warning flasher switch already installed.

DO NOT use this procedure if the results of the inspection procedure indicate that only the hazard warning switch requires replacement.

Contained in this procedure are unique steps to address features or options such as cruise control, standard or tilt column, and a column-mounted automatic transmission lever.

1. Turn the steering wheel to the straight-ahead position and turn the ignition switch to the OFF position.

2. Remove the fuse block cover from the end of the instrument panel (I/P) on the driver's side and remove the SIR fuse.

3. Remove the screws attaching the driver's side sound insulator underneath the I/P and reposition the insulator panel out of the way.





4. Locate the driver's side yellow 2-way air bag electrical connector at the base of the steering column and remove the connector position assurance (CPA) from the connector.

5. Disconnect the yellow 2-way electrical connector.

6. If equipped, remove the tilt steering column lever.





7. Remove the screws that attach the knee bolster trim panel to the I/P, remove the screw attaching the courtesy lamp, separate the hood release cable at the grommet/bracket under the I/P, and remove the panel.

8. Remove the nuts that attach the knee bolster to the column support and remove the knee bolster.

Important:
Some of the illustrations included in this procedure show the steering column removed from the vehicle. Those illustrations are for reference purposes only. DO NOT remove the steering column from the vehicle to perform this repair procedure.

9. Remove the screws attaching the lower steering column cover to the steering column.





10. Remove the lower steering column cover by tilting the rearward portion down and the move the cover forward to release the hooks as shown in the above illustration.

11. On vehicles that have the automatic transmission shift lever mounted on the steering column, remove the shifter boot from the upper column cover.

12. Remove the screw attaching the upper steering column cover the steering column and remove the upper cover.





13. At the base of the steering column, disconnect the bulkhead electrical connector (5) from the vehicle wiring harness.

14. Cut and remove the plastic tie strap (3) that attach the multifunction switch wiring harness to the steering column harness. Also release the wiring harness from the larger plastic tie strap.

15. Remove the protective cloth sleeve from the wiring harness.

16. Disconnect the multifunction switch gray and black electrical connectors (4) from the column bulkhead electrical connector.

17. If equipped, remove the CPA from the in-line connector and disconnect the connector.

Important:
DO NOT turn the ignition switch to the ON position in the next step.

18. Turn the ignition switch to unlock the steering wheel.

19. Turn the steering wheel 1/4 turn to the left to improve access to the lower multifunction attaching screw.

20. Remove the screws (1) attaching the multifunction switch (2) to the steering column.

21. On vehicles with the automatic transmission lever mounted on the column, remove the two nuts attaching the steering column to the column support and lower the steering column.

22. On vehicles with the automatic transmission lever mounted on the column, disconnect the small green electrical connector going from the multifunction switch to the switch on the column.

23. Remove the multifunction switch form the steering column.

24. Position the new multifunction switch to the steering column.

25. On vehicles with the automatic transmission lever mounted on the column, connect the small green electrical connector going from the multifunction switch to the switch on the column.

26. On vehicles with the automatic transmission lever mounted on the column, raise the steering column to the column support and install the two attaching nuts.

Tighten

Tighten the nuts to 30 N.m (22 lb ft).

27. Install the multifunction switch attaching screws.

Tighten

Tighten the screws to 7 N.m (62 lb in).

28. Install the multifunction switch gray and black electrical connectors to the column bulkhead electrical connector.

29. If equipped, connect the in-line connector and install the CPA.

30. Connect the bulkhead electrical connector to the vehicle wiring harness.

Tighten

Tighten the retaining screws to 6 N.m (53 lb in).

31. Install the cloth protective sleeve to the wiring harness and secure with two new plastic tie bands. Do not replace the other plastic tie bands that were removed.

32. Install the upper steering column cover and attaching screw.

Tighten

Tighten the screw to 1.5 N.m (13 lb in).

33. On vehicles with the automatic transmission shift lever mounted on the column, install the shifter boot to the upper column cover.

34. Install the lower steering column cover and screws.

Tighten

Tighten the screws to 3.5 N.m (31 lb in).

35. Install the knee bolster to the column support and install the attaching nuts.

Tighten

Tighten the nuts to 10 N.m (89 lb in).

36. Position the knee bolster trim panel, connect the hood release cable, attach the courtesy lamp, and install the panel to the I/P with the attaching screws.the attaching screws.

Tighten

Tighten the screws to 1.9 N.m (17 lb in).

37. If equipped, install the tilt steering column lever.

38. Connect the yellow 2-way electrical connector at the base of the steering column and install the CPA.

39. Reposition the driver's side sound insulator panel underneath the I/P and install the attaching screws.

Tighten

Tighten the screws to 1.9 N.m (17 lb in).

40. Install the SIR ruse and install the fuse block cover.

41. Install the GM Recall Identification Label.