1998 Chevy Lumina Turn Signal Switch Replacement

Make sure the multifunction lever is in the OFF position.
Disconnect the negative (ground) battery cable.
Disable the SIR system.
Remove the air bag module from the steering wheel
Remove the steering wheel
Remove the screws from the lower steering column cover. It may be helpful to tilt the column down and slide the cover back to disengage the plastic locking tabs. Work carefully. The plastic column covers are easily damaged.
Remove the screws from the upper steering column cover and lift off the cover.
Disconnect the wire harness strap.
It is likely that wire ties restrain the multifunction switch harness. Cut off the plastic wire ties.
Detach the steering column harness connector from the vehicle wire harness.
Remove the two tapping screws and separate the turn signal and multifunction switch assembly from the steering column.
Installation is the reverse of the removal process. Use new plastic wire ties to secure the harness as before.
Test all multifunction switch operations.