GM 1999392
Combination Switch

Switching off sir system is the first step to replace the windshield wiper and washer switch. Begin by taking away both steering column bracket and trim covers. Use tool to pull the wire harness off its retaining clips then detach the wire connector. Press on the locking tabs and remove the windshield wiper and washer switch assembly from its switch mounting bracket. The 2 pan head tapping screws need removal first to reach the side-mounted switch mounting bracket. Proceed with removing the turn signal cancel cam and Steering Shaft upper bearing spring when the bracket is installed on the side. Take the switch mounting bracket off the steering column shaft. Atop the steering column tilt head assembly, position the side mounted switch mounting bracket then fasten it using 2 pan head tapping screws tightened to 7 n.m (62 lb in). Place the switch mount onto the steering column shaft before putting on the turn signal and multifunction switch together. Reattach the turn signal cancel cam with its Steering Shaft upper bearing spring. Place the switch assembly inside the brake panel if required until the locking tabs easily click together. Secure the wire harness in its clips using new straps and then join all related wires. Reposition all components from the steering column including its trim covers and restoring the sir function.

You must deactivate the sir system before replacing the turn signal multifunction switch. Begin by taking off the Steering Column trim covers. Turn off the sir system then take out the switch retaining screws and detach its electrical wires before removing the switch. After plugging in multifunction switch electrical connections you must place the switch over the Steering Column. Secure the retaining screws on the multifunction switch at 3.4 n.mm torque value (30 lb in force). Reattach the Steering Column trim panels and turn on the sir system at the end.

Remove the steering column trim covers and the retaining screws from the multifunction switch.

Remove the steering column trim covers and the steering column wiring harness tie straps.

Reinstall the steering column trim covers and enable the SIR system.

First, disable the SIR system.

Connect the electrical connectors (1, 3) from the windshield wiper and washer switch.

Remove the steering column trim covers.

Connect the electrical connectors to the new switch and install it onto the steering column.

Connect the electrical connectors (1, 3) from the windshield wiper and washer switch.

Slide the switch mounting bracket off the steering column shaft assembly.

First, disable the SIR system.

Install the turn signal and multifunction switch assembly.

Reinstall the steering column trim covers, the steering column bracket, and enable the SIR system.

Connect the multifunction switch electrical connectors and install the switch onto the steering column.

Ensure to install the retaining screws and tighten them to 3.4 Nm (30 lb in).

Connect the electrical connectors to the new switch and install it onto the steering column.

Attach the new windshield wiper and washer switch to the steering column.

Disable the SIR system by following the appropriate procedures for SIR Disabling and Enabling Zone 3 in Restraint Systems.